Year Mon Area 1874 5 240.4 1874 6 123.8 1874 7 346.1 1874 8 514.4 1874 9 295.8 1874 10 456.0 1874 11 207.4 1874 12 26.2 1875 1 30.1 1875 2 75.4 1875 3 162.4 1875 4 196.6 1875 5 10.6 1875 6 312.9 1875 7 14.7 1875 8 0.5 1875 9 23.9 1875 10 26.8 1875 11 137.2 1875 12 90.7 1876 1 141.7 1876 2 252.4 1876 3 62.4 1876 4 8.6 1876 5 37.3 1876 6 2.5 1876 7 61.3 1876 8 31.9 1876 9 103.2 1876 10 155.3 1876 11 39.5 1876 12 0.0 1877 1 5.0 1877 2 2.8 1877 3 60.7 1877 4 73.5 1877 5 22.4 1877 6 69.0 1877 7 1.4 1877 8 0.0 1877 9 22.1 1877 10 126.3 1877 11 283.5 1877 12 22.2 1878 1 0.0 1878 2 18.1 1878 3 0.0 1878 4 0.0 1878 5 0.0 1878 6 0.5 1878 7 0.0 1878 8 0.0 1878 9 0.0 1878 10 0.0 1878 11 0.0 1878 12 2.0 1879 1 1.2 1879 2 0.0 1879 3 0.0 1879 4 50.5 1879 5 0.0 1879 6 19.6 1879 7 23.5 1879 8 3.3 1879 9 0.0 1879 10 59.2 1879 11 101.9 1879 12 33.8 1880 1 129.1 1880 2 97.7 1880 3 51.7 1880 4 32.9 1880 5 0.6 1880 6 364.1 1880 7 93.1 1880 8 119.2 1880 9 604.5 1880 10 263.9 1880 11 105.9 1880 12 240.6 1881 1 289.1 1881 2 251.1 1881 3 276.9 1881 4 320.2 1881 5 244.1 1881 6 290.7 1881 7 262.2 1881 8 119.6 1881 9 191.6 1881 10 188.2 1881 11 134.3 1881 12 162.2 1882 1 91.7 1882 2 346.9 1882 3 688.1 1882 4 1475.7 1882 5 936.9 1882 6 322.6 1882 7 154.2 1882 8 210.3 1882 9 369.2 1882 10 653.0 1882 11 881.4 1882 12 182.9 1883 1 590.9 1883 2 258.7 1883 3 479.1 1883 4 744.5 1883 5 188.4 1883 6 1084.4 1883 7 1582.6 1883 8 502.5 1883 9 909.8 1883 10 1330.5 1883 11 1220.7 1883 12 958.5 1884 1 759.8 1884 2 548.7 1884 3 799.7 1884 4 1481.5 1884 5 921.6 1884 6 332.6 1884 7 288.3 1884 8 347.9 1884 9 346.8 1884 10 600.0 1884 11 312.2 1884 12 254.5 1885 1 414.2 1885 2 820.8 1885 3 603.8 1885 4 382.1 1885 5 399.3 1885 6 1063.1 1885 7 972.4 1885 8 458.8 1885 9 451.9 1885 10 552.4 1885 11 158.4 1885 12 50.6 1886 1 496.4 1886 2 288.6 1886 3 673.9 1886 4 530.4 1886 5 382.7 1886 6 354.7 1886 7 348.5 1886 8 86.1 1886 9 45.2 1886 10 44.5 1886 11 1.6 1886 12 131.3 1887 1 79.7 1887 2 39.1 1887 3 3.3 1887 4 2.0 1887 5 121.1 1887 6 281.6 1887 7 257.0 1887 8 133.8 1887 9 4.0 1887 10 53.3 1887 11 51.9 1887 12 580.2 1888 1 107.8 1888 2 91.4 1888 3 14.4 1888 4 22.2 1888 5 185.6 1888 6 19.4 1888 7 20.6 1888 8 61.1 1888 9 98.1 1888 10 10.5 1888 11 113.3 1888 12 77.0 1889 1 0.0 1889 2 27.9 1889 3 10.1 1889 4 1.0 1889 5 14.4 1889 6 217.2 1889 7 150.1 1889 8 282.3 1889 9 89.9 1889 10 10.2 1889 11 0.0 1889 12 61.0 1890 1 9.8 1890 2 0.8 1890 3 0.0 1890 4 2.8 1890 5 17.0 1890 6 9.3 1890 7 124.0 1890 8 8.0 1890 9 68.1 1890 10 242.1 1890 11 33.8 1890 12 29.3 1891 1 155.0 1891 2 33.9 1891 3 5.1 1891 4 162.8 1891 5 271.9 1891 6 120.5 1891 7 78.8 1891 8 208.0 1891 9 149.7 1891 10 252.2 1891 11 338.9 1891 12 231.5 1892 1 517.6 1892 2 1305.3 1892 3 396.7 1892 4 488.1 1892 5 983.9 1892 6 321.4 1892 7 729.7 1892 8 495.8 1892 9 417.4 1892 10 470.0 1892 11 609.8 1892 12 574.9 1893 1 832.9 1893 2 905.4 1893 3 466.6 1893 4 685.2 1893 5 812.6 1893 6 1016.4 1893 7 1036.0 1893 8 1710.5 1893 9 1051.1 1893 10 788.4 1893 11 872.3 1893 12 1150.9 1894 1 1112.9 1894 2 1191.4 1894 3 173.1 1894 4 727.9 1894 5 1301.7 1894 6 1008.2 1894 7 816.6 1894 8 262.2 1894 9 336.9 1894 10 788.5 1894 11 350.9 1894 12 772.9 1895 1 535.1 1895 2 398.5 1895 3 462.7 1895 4 231.5 1895 5 292.1 1895 6 509.5 1895 7 382.2 1895 8 390.7 1895 9 305.3 1895 10 406.5 1895 11 263.9 1895 12 693.5 1896 1 203.7 1896 2 461.9 1896 3 365.2 1896 4 102.0 1896 5 178.9 1896 6 697.0 1896 7 424.5 1896 8 218.2 1896 9 392.6 1896 10 219.4 1896 11 560.1 1896 12 274.0 1897 1 1148.7 1897 2 512.1 1897 3 239.4 1897 4 136.8 1897 5 322.5 1897 6 213.6 1897 7 292.0 1897 8 482.5 1897 9 518.7 1897 10 28.6 1897 11 15.9 1897 12 35.8 1898 1 123.6 1898 2 463.6 1898 3 532.5 1898 4 155.2 1898 5 241.0 1898 6 41.6 1898 7 25.7 1898 8 253.3 1898 9 766.3 1898 10 317.0 1898 11 107.1 1898 12 166.9 1899 1 214.3 1899 2 40.1 1899 3 275.6 1899 4 133.6 1899 5 50.7 1899 6 36.0 1899 7 143.2 1899 8 1.4 1899 9 14.1 1899 10 72.2 1899 11 29.1 1899 12 29.1 1900 1 7.6 1900 2 9.2 1900 3 147.2 1900 4 76.8 1900 5 75.4 1900 6 52.3 1900 7 45.2 1900 8 0.0 1900 9 17.3 1900 10 138.2 1900 11 0.7 1900 12 0.0 1901 1 0.2 1901 2 6.4 1901 3 1.0 1901 4 0.0 1901 5 0.0 1901 6 7.7 1901 7 1.0 1901 8 0.0 1901 9 0.0 1901 10 14.8 1901 11 48.3 1901 12 0.0 1902 1 98.0 1902 2 0.4 1902 3 0.3 1902 4 0.0 1902 5 0.0 1902 6 0.0 1902 7 0.0 1902 8 0.2 1902 9 58.6 1902 10 75.5 1902 11 1.1 1902 12 0.6 1903 1 15.4 1903 2 40.9 1903 3 68.6 1903 4 220.2 1903 5 12.0 1903 6 28.5 1903 7 184.8 1903 8 76.3 1903 9 26.2 1903 10 961.5 1903 11 567.7 1903 12 282.7 1904 1 192.7 1904 2 124.4 1904 3 147.2 1904 4 612.7 1904 5 176.3 1904 6 78.8 1904 7 266.3 1904 8 397.6 1904 9 193.2 1904 10 210.0 1904 11 170.3 1904 12 66.7 1905 1 546.5 1905 2 1325.6 1905 3 500.3 1905 4 189.7 1905 5 315.9 1905 6 215.1 1905 7 505.2 1905 8 427.7 1905 9 315.0 1905 10 49.1 1905 11 582.5 1905 12 386.3 1906 1 320.2 1906 2 94.2 1906 3 313.4 1906 4 128.3 1906 5 197.7 1906 6 144.2 1906 7 270.5 1906 8 448.7 1906 9 182.7 1906 10 75.2 1906 11 278.1 1906 12 421.1 1907 1 487.5 1907 2 1664.9 1907 3 572.0 1907 4 193.9 1907 5 452.2 1907 6 898.0 1907 7 673.8 1907 8 483.7 1907 9 525.6 1907 10 487.3 1907 11 215.0 1907 12 549.7 1908 1 296.4 1908 2 168.6 1908 3 163.0 1908 4 684.4 1908 5 333.5 1908 6 515.4 1908 7 248.3 1908 8 1037.4 1908 9 641.2 1908 10 184.3 1908 11 110.2 1908 12 189.0 1909 1 373.7 1909 2 480.4 1909 3 344.4 1909 4 346.5 1909 5 423.8 1909 6 256.3 1909 7 57.5 1909 8 84.1 1909 9 764.4 1909 10 680.4 1909 11 496.3 1909 12 426.5 1910 1 270.2 1910 2 624.9 1910 3 121.5 1910 4 35.1 1910 5 255.3 1910 6 92.0 1910 7 57.9 1910 8 181.7 1910 9 432.9 1910 10 297.2 1910 11 9.3 1910 12 37.0 1911 1 39.3 1911 2 59.9 1911 3 42.2 1911 4 213.7 1911 5 64.9 1911 6 1.4 1911 7 1.6 1911 8 22.4 1911 9 0.9 1911 10 0.0 1911 11 56.9 1911 12 10.5 1912 1 0.0 1912 2 0.0 1912 3 57.4 1912 4 87.5 1912 5 21.0 1912 6 83.6 1912 7 9.5 1912 8 0.3 1912 9 47.3 1912 10 55.0 1912 11 2.9 1912 12 74.1 1913 1 6.5 1913 2 0.0 1913 3 0.8 1913 4 3.3 1913 5 0.0 1913 6 0.0 1913 7 0.0 1913 8 0.0 1913 9 0.0 1913 10 0.0 1913 11 5.2 1913 12 13.8 1914 1 6.5 1914 2 10.1 1914 3 0.2 1914 4 25.1 1914 5 2.4 1914 6 155.2 1914 7 46.5 1914 8 8.7 1914 9 132.2 1914 10 4.8 1914 11 77.8 1914 12 169.7 1915 1 28.4 1915 2 342.6 1915 3 186.1 1915 4 210.8 1915 5 65.0 1915 6 425.3 1915 7 1059.4 1915 8 590.0 1915 9 248.1 1915 10 218.1 1915 11 244.0 1915 12 193.5 1916 1 194.2 1916 2 471.6 1916 3 416.0 1916 4 293.3 1916 5 593.4 1916 6 312.2 1916 7 32.3 1916 8 33.3 1916 9 82.2 1916 10 115.1 1916 11 250.2 1916 12 271.1 1917 1 134.7 1917 2 1209.4 1917 3 371.5 1917 4 257.0 1917 5 887.7 1917 6 771.3 1917 7 496.1 1917 8 1008.2 1917 9 849.5 1917 10 576.2 1917 11 536.9 1917 12 1065.8 1918 1 952.7 1918 2 206.7 1918 3 308.3 1918 4 418.8 1918 5 424.9 1918 6 235.8 1918 7 412.6 1918 8 640.4 1918 9 510.1 1918 10 402.9 1918 11 500.6 1918 12 1037.4 1919 1 297.3 1919 2 172.7 1919 3 392.4 1919 4 371.9 1919 5 620.9 1919 6 980.3 1919 7 690.5 1919 8 908.2 1919 9 727.0 1919 10 387.9 1919 11 198.6 1919 12 123.6 1920 1 1009.1 1920 2 287.5 1920 3 1088.7 1920 4 267.1 1920 5 94.3 1920 6 107.2 1920 7 194.1 1920 8 125.6 1920 9 696.2 1920 10 320.6 1920 11 501.2 1920 12 221.8 1921 1 403.0 1921 2 304.6 1921 3 111.7 1921 4 118.6 1921 5 122.9 1921 6 113.4 1921 7 236.8 1921 8 130.8 1921 9 65.7 1921 10 6.1 1921 11 249.7 1921 12 169.4 1922 1 70.7 1922 2 239.5 1922 3 251.6 1922 4 1.5 1922 5 0.1 1922 6 6.1 1922 7 104.7 1922 8 61.8 1922 9 56.5 1922 10 47.6 1922 11 171.8 1922 12 92.1 1923 1 1.7 1923 2 0.4 1923 3 0.3 1923 4 24.0 1923 5 4.4 1923 6 11.3 1923 7 1.6 1923 8 1.2 1923 9 93.3 1923 10 86.6 1923 11 39.5 1923 12 0.1 1924 1 0.4 1924 2 1.6 1924 3 1.1 1924 4 128.2 1924 5 139.6 1924 6 12.4 1924 7 4.8 1924 8 7.7 1924 9 42.8 1924 10 123.2 1924 11 1.4 1924 12 69.1 1925 1 4.6 1925 2 244.8 1925 3 127.1 1925 4 80.6 1925 5 53.4 1925 6 192.5 1925 7 296.6 1925 8 171.0 1925 9 287.7 1925 10 788.3 1925 11 403.7 1925 12 1085.7 1926 1 734.9 1926 2 1380.6 1926 3 927.4 1926 4 262.5 1926 5 850.5 1926 6 300.9 1926 7 510.7 1926 8 744.5 1926 9 226.7 1926 10 339.6 1926 11 382.9 1926 12 560.6 1927 1 1053.2 1927 2 967.0 1927 3 312.1 1927 4 784.9 1927 5 583.8 1927 6 308.0 1927 7 460.9 1927 8 907.5 1927 9 1021.4 1927 10 587.1 1927 11 769.1 1927 12 427.2 1928 1 713.4 1928 2 639.6 1928 3 769.5 1928 4 925.6 1928 5 990.5 1928 6 469.6 1928 7 891.9 1928 8 582.6 1928 9 1015.4 1928 10 229.3 1928 11 427.6 1928 12 300.7 1929 1 265.5 1929 2 631.4 1929 3 839.3 1929 4 506.3 1929 5 319.0 1929 6 750.2 1929 7 839.0 1929 8 591.3 1929 9 180.1 1929 10 578.8 1929 11 741.6 1929 12 816.8 1930 1 309.7 1930 2 391.5 1930 3 497.0 1930 4 230.0 1930 5 162.2 1930 6 93.3 1930 7 68.5 1930 8 186.2 1930 9 90.6 1930 10 220.3 1930 11 418.2 1930 12 99.4 1931 1 27.2 1931 2 146.1 1931 3 206.9 1931 4 90.6 1931 5 132.7 1931 6 13.8 1931 7 61.2 1931 8 46.1 1931 9 41.0 1931 10 70.8 1931 11 23.9 1931 12 38.1 1932 1 79.4 1932 2 8.9 1932 3 8.6 1932 4 36.8 1932 5 49.7 1932 6 101.0 1932 7 110.1 1932 8 79.8 1932 9 5.9 1932 10 0.7 1932 11 4.8 1932 12 0.2 1933 1 0.0 1933 2 2.0 1933 3 0.0 1933 4 0.0 1933 5 0.4 1933 6 1.6 1933 7 0.9 1933 8 0.2 1933 9 15.5 1933 10 0.5 1933 11 0.0 1933 12 0.0 1934 1 0.0 1934 2 4.5 1934 3 10.2 1934 4 343.2 1934 5 267.2 1934 6 5.3 1934 7 4.4 1934 8 88.1 1934 9 2.8 1934 10 10.6 1934 11 23.4 1934 12 127.4 1935 1 264.8 1935 2 188.5 1935 3 107.9 1935 4 102.4 1935 5 308.8 1935 6 593.8 1935 7 429.7 1935 8 135.0 1935 9 141.5 1935 10 164.9 1935 11 1036.6 1935 12 1551.3 1936 1 1086.0 1936 2 816.6 1936 3 855.1 1936 4 623.4 1936 5 448.0 1936 6 368.0 1936 7 238.2 1936 8 511.7 1936 9 643.5 1936 10 505.1 1936 11 1314.2 1936 12 728.9 1937 1 1457.9 1937 2 884.0 1937 3 243.7 1937 4 681.5 1937 5 957.5 1937 6 1170.9 1937 7 1042.7 1937 8 857.7 1937 9 151.4 1937 10 541.5 1937 11 557.0 1937 12 534.5 1938 1 200.3 1938 2 1180.3 1938 3 1110.9 1938 4 1671.2 1938 5 1554.6 1938 6 347.4 1938 7 2238.8 1938 8 1187.5 1938 9 837.0 1938 10 358.8 1938 11 1615.9 1938 12 1248.2 1939 1 773.0 1939 2 694.4 1939 3 448.4 1939 4 916.7 1939 5 670.8 1939 6 388.2 1939 7 1023.2 1939 8 1004.9 1939 9 2802.3 1939 10 1344.1 1939 11 773.5 1939 12 341.3 1940 1 257.8 1940 2 495.8 1940 3 590.0 1940 4 376.4 1940 5 360.0 1940 6 1094.0 1940 7 261.3 1940 8 1031.0 1940 9 701.0 1940 10 691.5 1940 11 229.4 1940 12 393.3 1941 1 174.4 1941 2 190.9 1941 3 116.5 1941 4 319.3 1941 5 105.7 1941 6 218.3 1941 7 444.6 1941 8 311.8 1941 9 232.1 1941 10 80.1 1941 11 257.5 1941 12 233.1 1942 1 241.3 1942 2 191.8 1942 3 132.5 1942 4 362.1 1942 5 118.5 1942 6 9.4 1942 7 183.7 1942 8 111.9 1942 9 92.5 1942 10 218.4 1942 11 300.6 1942 12 91.2 1943 1 40.6 1943 2 9.6 1943 3 12.6 1943 4 144.7 1943 5 46.2 1943 6 6.6 1943 7 15.4 1943 8 57.8 1943 9 20.7 1943 10 2.5 1943 11 6.4 1943 12 187.3 1944 1 0.6 1944 2 0.0 1944 3 143.3 1944 4 0.7 1944 5 2.5 1944 6 3.4 1944 7 19.7 1944 8 72.0 1944 9 242.4 1944 10 145.0 1944 11 15.8 1944 12 344.3 1945 1 92.9 1945 2 48.1 1945 3 503.7 1945 4 577.0 1945 5 263.4 1945 6 378.2 1945 7 336.2 1945 8 20.6 1945 9 350.4 1945 10 660.3 1945 11 251.6 1945 12 203.6 1946 1 443.7 1946 2 620.3 1946 3 620.3 1946 4 870.5 1946 5 601.3 1946 6 328.8 1946 7 785.9 1946 8 830.5 1946 9 433.4 1946 10 834.6 1946 11 854.8 1946 12 1268.8 1947 1 1486.4 1947 2 2454.2 1947 3 2775.7 1947 4 3456.1 1947 5 1924.0 1947 6 645.2 1947 7 911.6 1947 8 1813.8 1947 9 895.7 1947 10 1140.0 1947 11 1046.0 1947 12 1166.2 1948 1 866.7 1948 2 552.7 1948 3 395.3 1948 4 1467.9 1948 5 2016.3 1948 6 1200.7 1948 7 430.3 1948 8 1300.9 1948 9 1238.1 1948 10 656.3 1948 11 490.4 1948 12 1870.9 1949 1 924.0 1949 2 2217.2 1949 3 1221.3 1949 4 799.1 1949 5 517.0 1949 6 680.6 1949 7 994.3 1949 8 799.1 1949 9 1598.7 1949 10 482.0 1949 11 813.9 1949 12 469.9 1950 1 195.3 1950 2 393.0 1950 3 744.3 1950 4 941.0 1950 5 426.5 1950 6 523.8 1950 7 516.7 1950 8 695.2 1950 9 134.2 1950 10 368.7 1950 11 241.5 1950 12 233.6 1951 1 226.8 1951 2 83.9 1951 3 128.4 1951 4 469.2 1951 5 466.3 1951 6 1317.2 1951 7 629.4 1951 8 353.6 1951 9 247.6 1951 10 518.4 1951 11 363.5 1951 12 59.9 1952 1 73.2 1952 2 272.7 1952 3 127.5 1952 4 145.0 1952 5 244.7 1952 6 338.2 1952 7 548.2 1952 8 305.4 1952 9 177.2 1952 10 17.9 1952 11 39.5 1952 12 208.3 1953 1 140.9 1953 2 0.6 1953 3 34.7 1953 4 13.8 1953 5 1.3 1953 6 98.2 1953 7 80.5 1953 8 21.6 1953 9 22.1 1953 10 45.0 1953 11 7.7 1953 12 3.7 1954 1 0.3 1954 2 0.0 1954 3 156.8 1954 4 2.8 1954 5 0.0 1954 6 0.0 1954 7 0.9 1954 8 33.4 1954 9 1.5 1954 10 4.0 1954 11 50.3 1954 12 24.5 1955 1 95.4 1955 2 101.4 1955 3 26.9 1955 4 8.2 1955 5 37.6 1955 6 420.9 1955 7 90.2 1955 8 284.6 1955 9 141.7 1955 10 378.6 1955 11 678.8 1955 12 422.3 1956 1 235.5 1956 2 834.2 1956 3 763.6 1956 4 548.9 1956 5 1082.6 1956 6 593.1 1956 7 861.2 1956 8 1284.0 1956 9 1689.9 1956 10 1232.7 1956 11 2795.4 1956 12 1902.2 1957 1 1050.2 1957 2 980.6 1957 3 1238.1 1957 4 1472.6 1957 5 1446.7 1957 6 2737.0 1957 7 1694.1 1957 8 970.2 1957 9 1398.0 1957 10 2651.2 1957 11 1616.9 1957 12 1967.5 1958 1 1371.0 1958 2 1606.1 1958 3 2212.2 1958 4 1670.2 1958 5 1264.8 1958 6 672.2 1958 7 1767.5 1958 8 1430.3 1958 9 2376.4 1958 10 1749.2 1958 11 1192.1 1958 12 1993.1 1959 1 772.3 1959 2 123.2 1959 3 543.6 1959 4 504.9 1959 5 804.0 1959 6 893.4 1959 7 258.6 1959 8 749.4 1959 9 977.2 1959 10 529.0 1959 11 681.8 1959 12 311.9 1960 1 998.2 1960 2 554.6 1960 3 470.9 1960 4 719.4 1960 5 996.6 1960 6 425.2 1960 7 220.5 1960 8 877.7 1960 9 832.1 1960 10 363.3 1960 11 221.1 1960 12 394.6 1961 1 122.9 1961 2 95.9 1961 3 200.8 1961 4 312.3 1961 5 31.3 1961 6 383.4 1961 7 411.8 1961 8 39.3 1961 9 195.3 1961 10 49.9 1961 11 31.2 1961 12 153.5 1962 1 8.6 1962 2 344.6 1962 3 123.0 1962 4 52.2 1962 5 373.8 1962 6 260.3 1962 7 30.5 1962 8 10.9 1962 9 108.7 1962 10 111.9 1962 11 179.6 1962 12 66.4 1963 1 4.6 1963 2 75.2 1963 3 16.1 1963 4 215.8 1963 5 112.4 1963 6 18.1 1963 7 0.3 1963 8 82.1 1963 9 94.0 1963 10 16.1 1963 11 34.8 1963 12 47.0 1964 1 46.8 1964 2 17.2 1964 3 8.2 1964 4 10.0 1964 5 6.4 1964 6 1.7 1964 7 0.2 1964 8 0.0 1964 9 0.0 1964 10 3.6 1964 11 3.8 1964 12 19.5 1965 1 0.0 1965 2 3.2 1965 3 0.2 1965 4 4.6 1965 5 0.8 1965 6 79.0 1965 7 0.6 1965 8 7.1 1965 9 3.1 1965 10 74.2 1965 11 4.7 1965 12 15.8 1966 1 59.1 1966 2 0.0 1966 3 0.0 1966 4 1.9 1966 5 70.0 1966 6 45.4 1966 7 51.5 1966 8 7.9 1966 9 41.9 1966 10 69.8 1966 11 4.8 1966 12 334.1 1967 1 767.0 1967 2 324.2 1967 3 701.4 1967 4 394.9 1967 5 374.6 1967 6 200.6 1967 7 267.8 1967 8 695.7 1967 9 363.6 1967 10 335.5 1967 11 371.0 1967 12 1030.4 1968 1 934.1 1968 2 353.6 1968 3 412.5 1968 4 297.0 1968 5 796.5 1968 6 715.3 1968 7 428.3 1968 8 893.6 1968 9 591.4 1968 10 609.4 1968 11 574.4 1968 12 696.7 1969 1 497.7 1969 2 389.4 1969 3 523.4 1969 4 368.2 1969 5 783.7 1969 6 716.6 1969 7 750.7 1969 8 677.7 1969 9 395.9 1969 10 315.4 1969 11 201.8 1969 12 710.5 1970 1 1307.6 1970 2 1491.0 1970 3 661.6 1970 4 1192.6 1970 5 971.8 1970 6 408.5 1970 7 697.5 1970 8 295.3 1970 9 252.6 1970 10 317.8 1970 11 286.6 1970 12 316.4 1971 1 916.3 1971 2 680.5 1971 3 488.5 1971 4 389.0 1971 5 84.4 1971 6 301.3 1971 7 542.8 1971 8 1004.9 1971 9 377.2 1971 10 244.7 1971 11 691.8 1971 12 696.4 1972 1 381.0 1972 2 696.0 1972 3 676.8 1972 4 399.9 1972 5 933.2 1972 6 1000.0 1972 7 473.3 1972 8 397.1 1972 9 443.8 1972 10 932.9 1972 11 526.4 1972 12 198.8 1973 1 43.4 1973 2 165.2 1973 3 397.4 1973 4 474.4 1973 5 257.4 1973 6 248.4 1973 7 66.2 1973 8 131.4 1973 9 325.8 1973 10 233.8 1973 11 195.6 1973 12 223.1 1974 1 159.9 1974 2 241.0 1974 3 69.5 1974 4 491.0 1974 5 360.6 1974 6 200.0 1974 7 831.0 1974 8 367.3 1974 9 176.1 1974 10 209.8 1974 11 10.1 1974 12 11.3 1975 1 19.5 1975 2 11.9 1975 3 54.9 1975 4 0.7 1975 5 59.3 1975 6 22.3 1975 7 131.4 1975 8 29.1 1975 9 40.1 1975 10 0.4 1975 11 156.7 1975 12 7.3 1976 1 115.5 1976 2 11.2 1976 3 202.1 1976 4 208.0 1976 5 63.2 1976 6 34.4 1976 7 6.4 1976 8 33.4 1976 9 54.6 1976 10 78.8 1976 11 0.4 1976 12 89.0 1977 1 88.3 1977 2 158.0 1977 3 2.7 1977 4 118.8 1977 5 37.9 1977 6 303.3 1977 7 37.0 1977 8 54.0 1977 9 180.1 1977 10 152.2 1977 11 82.1 1977 12 414.4 1978 1 259.7 1978 2 341.8 1978 3 411.9 1978 4 259.9 1978 5 316.1 1978 6 413.2 1978 7 184.5 1978 8 327.3 1978 9 625.6 1978 10 815.7 1978 11 793.8 1978 12 1419.5 1979 1 1409.2 1979 2 851.7 1979 3 788.5 1979 4 640.5 1979 5 374.1 1979 6 967.8 1979 7 686.3 1979 8 837.0 1979 9 570.7 1979 10 610.5 1979 11 1717.1 1979 12 1402.1 1980 1 879.5 1980 2 1125.8 1980 3 614.4 1980 4 1480.7 1980 5 2329.4 1980 6 1449.2 1980 7 1376.5 1980 8 569.5 1980 9 777.7 1980 10 1382.8 1980 11 1654.8 1980 12 1085.2 1981 1 715.6 1981 2 972.5 1981 3 1017.9 1981 4 282.8 1981 5 569.7 1981 6 826.2 1981 7 2717.1 1981 8 1015.2 1981 9 981.4 1981 10 2590.6 1981 11 1432.2 1981 12 1182.5 1982 1 922.6 1982 2 2442.5 1982 3 1660.6 1982 4 676.3 1982 5 835.9 1982 6 1076.6 1982 7 427.7 1982 8 846.3 1982 9 959.5 1982 10 893.7 1982 11 1438.7 1982 12 1792.5 1983 1 700.0 1983 2 810.0 1983 3 859.0 1983 4 882.0 1983 5 1380.1 1983 6 1205.4 1983 7 882.5 1983 8 750.1 1983 9 522.2 1983 10 255.6 1983 11 152.1 1983 12 211.8 1984 1 427.2 1984 2 888.8 1984 3 755.1 1984 4 1391.1 1984 5 832.8 1984 6 472.7 1984 7 188.8 1984 8 131.9 1984 9 104.5 1984 10 15.4 1984 11 187.1 1984 12 73.6 1985 1 158.5 1985 2 26.0 1985 3 19.4 1985 4 19.1 1985 5 266.5 1985 6 194.6 1985 7 341.4 1985 8 34.8 1985 9 18.2 1985 10 3.6 1985 11 78.4 1985 12 20.3 1986 1 31.6 1986 2 398.5 1986 3 22.6 1986 4 14.9 1986 5 2.7 1986 6 0.5 1986 7 12.6 1986 8 2.7 1986 9 0.0 1986 10 84.0 1986 11 16.8 1986 12 9.0 1987 1 12.6 1987 2 2.0 1987 3 12.2 1987 4 437.3 1987 5 142.3 1987 6 28.9 1987 7 189.2 1987 8 476.0 1987 9 203.0 1987 10 170.7 1987 11 431.2 1987 12 282.7 1988 1 371.2 1988 2 51.7 1988 3 478.7 1988 4 361.7 1988 5 373.0 1988 6 1213.8 1988 7 1299.7 1988 8 711.3 1988 9 819.0 1988 10 919.5 1988 11 674.8 1988 12 760.5 1989 1 1637.5 1989 2 791.5 1989 3 621.9 1989 4 1201.7 1989 5 1012.1 1989 6 1699.1 1989 7 913.2 1989 8 1818.2 1989 9 1999.7 1989 10 1165.6 1989 11 642.6 1989 12 1024.7 1990 1 1252.3 1990 2 755.5 1990 3 1214.8 1990 4 519.4 1990 5 1045.9 1990 6 740.6 1990 7 902.8 1990 8 2025.9 1990 9 923.1 1990 10 1235.6 1990 11 796.1 1990 12 728.0 1991 1 2062.5 1991 2 2444.0 1991 3 2553.0 1991 4 610.9 1991 5 872.1 1991 6 715.9 1991 7 989.5 1991 8 1562.6 1991 9 1196.1 1991 10 2121.7 1991 11 984.2 1991 12 2212.5 1992 1 1668.3 1992 2 1487.4 1992 3 600.2 1992 4 974.9 1992 5 397.9 1992 6 133.0 1992 7 686.5 1992 8 405.1 1992 9 503.8 1992 10 989.0 1992 11 1098.5 1992 12 707.2 1993 1 467.0 1993 2 765.5 1993 3 641.7 1993 4 420.9 1993 5 58.3 1993 6 342.1 1993 7 300.8 1993 8 184.3 1993 9 94.3 1993 10 455.2 1993 11 263.7 1993 12 168.0 1994 1 235.3 1994 2 79.5 1994 3 98.9 1994 4 9.3 1994 5 13.1 1994 6 113.4 1994 7 110.6 1994 8 144.1 1994 9 341.6 1994 10 181.5 1994 11 72.3 1994 12 304.4 1995 1 123.3 1995 2 165.5 1995 3 280.9 1995 4 121.3 1995 5 121.5 1995 6 12.6 1995 7 18.5 1995 8 6.8 1995 9 1.4 1995 10 219.0 1995 11 76.1 1995 12 51.5 1996 1 0.0 1996 2 1.4 1996 3 17.6 1996 4 17.7 1996 5 47.0 1996 6 0.9 1996 7 160.3 1996 8 109.7 1996 9 5.1 1996 10 1.4 1996 11 235.7 1996 12 63.2 1997 1 5.0 1997 2 7.5 1997 3 26.6 1997 4 67.7 1997 5 11.3 1997 6 39.7 1997 7 3.6 1997 8 18.1 1997 9 532.5 1997 10 52.4 1997 11 249.7 1997 12 159.9 1998 1 202.8 1998 2 269.5 1998 3 733.0 1998 4 480.2 1998 5 323.4 1998 6 420.0 1998 7 416.8 1998 8 499.5 1998 9 690.2 1998 10 206.8 1998 11 482.1 1998 12 374.4 1999 1 221.7 1999 2 502.5 1999 3 201.9 1999 4 251.5 1999 5 295.8 1999 6 562.8 1999 7 666.1 1999 8 756.5 1999 9 221.2 1999 10 541.9 1999 11 1015.9 1999 12 476.9 2000 1 500.8 2000 2 925.5 2000 3 1437.5 2000 4 1042.1 2000 5 1179.2 2000 6 713.5 2000 7 1008.9 2000 8 436.7 2000 9 620.2 2000 10 560.9 2000 11 520.3 2000 12 470.1 2001 1 478.7 2001 2 320.5 2001 3 476.5 2001 4 777.5 2001 5 275.5 2001 6 477.4 2001 7 401.5 2001 8 901.0 2001 9 2018.8 2001 10 882.0 2001 11 1248.8 2001 12 1113.2 2002 1 1003.3 2002 2 943.5 2002 3 897.4 2002 4 739.7 2002 5 1320.1 2002 6 1001.0 2002 7 1508.8 2002 8 2000.2 2002 9 1404.2 2002 10 464.5 2002 11 1232.0 2002 12 695.0 2003 1 818.3 2003 2 229.0 2003 3 309.4 2003 4 486.3 2003 5 721.2 2003 6 428.4 2003 7 495.4 2003 8 742.9 2003 9 240.8 2003 10 1156.6 2003 11 742.0 2003 12 219.9 2004 1 597.9 2004 2 319.6 2004 3 500.4 2004 4 343.5 2004 5 549.6 2004 6 390.1 2004 7 314.8 2004 8 610.1 2004 9 439.6 2004 10 337.6 2004 11 386.9 2004 12 160.3 2005 1 200.5 2005 2 488.5 2005 3 341.0 2005 4 332.3 2005 5 578.5 2005 6 520.3 2005 7 298.5 2005 8 317.9 2005 9 483.5 2005 10 37.0 2005 11 395.7 2005 12 254.7 2006 1 95.7 2006 2 9.0 2006 3 69.5 2006 4 486.3 2006 5 139.1 2006 6 175.0 2006 7 178.0 2006 8 436.3 2006 9 188.1 2006 10 79.5 2006 11 512.9 2006 12 341.4 2007 1 346.4 2007 2 200.5 2007 3 29.8 2007 4 128.8 2007 5 141.8 2007 6 220.3 2007 7 186.1 2007 8 60.1 2007 9 9.3 2007 10 4.5 2007 11 0.5 2007 12 127.4 2008 1 11.7 2008 2 8.7 2008 3 144.5 2008 4 23.8 2008 5 6.1 2008 6 9.3 2008 7 1.8 2008 8 0.0 2008 9 0.0 2008 10 3.2 2008 11 0.0 2008 12 4.1 2009 1 0.5 2009 2 1.5 2009 3 1.8 2009 4 1.4 2009 5 1.4 2009 6 7.0 2009 7 51.9 2009 8 0.0 2009 9 7.9 2009 10 0.0 2009 11 0.0 2009 12 27.5 2010 1 80.8 2010 2 21.0 2010 3 37.9 2010 4 11.7 2010 5 30.0 2010 6 70.5 2010 7 117.9 2010 8 5.4 2010 9 211.0 2010 10 116.1 2010 11 50.9 2010 12 1.4 2011 1 32.1 2011 2 168.5 2011 3 235.7 2011 4 160.8 2011 5 177.0 2011 6 109.4 2011 7 88.3 2011 8 37.9 2011 9 120.9 2011 10 263.7 2011 11 359.3 2011 12 497.9 2012 1 153.3 2012 2 100.4 2012 3 230.8 2012 4 453.6 2012 5 305.7 2012 6 610.3 2012 7 1138.1 2012 8 357.7 2012 9 419.8 2012 10 491.4 2012 11 275.8 2012 12 156.0 2013 1 221.3 2013 2 94.5 2013 3 240.7 2013 4 491.9 2013 5 588.2 2013 6 494.2 2013 7 479.2 2013 8 455.7 2013 9 165.2 2013 10 836.8 2013 11 1056.1 2013 12 884.3 2014 1 1333.4 2014 2 1759.2 2014 3 658.0 2014 4 615.5 2014 5 522.1 2014 6 558.1 2014 7 1026.1 2014 8 349.5 2014 9 757.4 2014 10 1633.9 2014 11 965.5 2014 12 1121.8 2015 1 727.1 2015 2 184.0 2015 3 394.3 2015 4 216.5 2015 5 230.8 2015 6 245.5 2015 7 176.1 2015 8 618.7 2015 9 473.7 2015 10 188.3 2015 11 36.4 2015 12 263.3 2016 1 61.0 2016 2 120.2 2016 3 85.4 2016 4 91.5 2016 5 300.8 2016 6 160.5 2016 7 19.4 2016 8 63.5 2016 9 33.6