1875 1.1 17.0 33.7 207.7 1876 0.7 11.3 18.5 107.7 1877 0.6 12.4 16.0 91.5 1878 0.2 3.4 4.1 22.2 1879 0.3 6.0 6.6 36.0 1880 2.2 32.2 90.2 436.5 1881 4.0 54.3 138.8 679.0 1882 4.5 59.4 181.2 963.5 1883 4.9 63.7 174.5 1149.7 1884 5.6 63.5 143.0 1032.8 1885 4.3 51.8 100.1 807.5 1886 2.1 25.5 49.9 377.8 1887 1.2 13.1 25.1 176.8 1888 0.7 6.7 14.0 87.3 1889 0.5 6.2 12.9 76.9 1890 0.7 7.1 15.6 99.8 1891 3.4 35.7 85.5 564.7 1892 6.4 73.0 188.0 1225.8 1893 8.5 85.2 233.8 1461.7 1894 7.5 78.0 228.8 1275.8 1895 5.9 63.9 168.8 973.3 1896 3.2 41.7 89.9 541.7 1897 2.5 26.2 86.2 503.0 1898 2.1 26.7 64.1 375.1 1899 1.1 12.1 18.3 110.7 1900 0.8 9.4 16.8 75.4 1901 0.2 2.7 8.8 28.1 1902 0.4 5.1 9.9 61.1 1903 2.2 24.4 50.6 340.7 1904 3.8 42.1 67.2 488.1 1905 5.3 63.3 161.3 1190.7 1906 5.1 54.1 111.9 779.4 1907 5.3 61.7 157.7 1081.6 1908 4.6 48.5 104.5 697.2 1909 4.0 43.9 122.1 692.2 1910 2.1 18.5 48.0 264.1 1911 0.8 5.7 13.5 63.8 1912 0.4 3.6 7.7 37.3 1913 0.2 1.4 1.5 7.4 1914 1.2 9.6 33.0 152.4 1915 5.1 47.4 137.2 696.8 1916 6.3 57.0 135.4 725.3 1917 9.6 104.2 247.6 1536.5 1918 8.0 80.8 187.7 1117.9 1919 6.2 63.5 182.4 1051.5 1920 3.8 37.6 112.4 618.0 1921 2.6 26.1 78.9 420.5 1922 1.5 14.2 45.0 251.8 1923 0.7 5.8 10.3 54.7 1924 1.6 16.7 45.5 276.2 1925 4.7 44.4 140.9 829.7 1926 6.1 63.9 216.5 1261.7 1927 6.5 68.8 185.9 1057.9 1928 7.1 77.8 244.2 1389.7 1929 6.6 64.9 244.7 1242.2 1930 3.8 35.6 105.6 515.8 1931 2.1 21.1 57.5 274.9 1932 1.3 11.1 34.6 163.2 1933 0.6 5.5 17.8 87.8 1934 0.9 8.7 22.1 118.5 1935 3.5 36.1 117.1 623.9 1936 7.4 79.7 216.7 1140.0 1937 10.2 114.4 374.9 2073.2 1938 9.3 109.6 371.0 2018.4 1939 7.9 88.8 295.3 1578.1 1940 5.8 67.8 199.9 1039.4 1941 4.0 47.5 119.8 658.3 1942 2.8 30.4 79.0 422.8 1943 1.4 16.3 52.7 294.8 1944 1.0 9.7 23.1 125.4 1945 3.0 33.2 78.4 428.9 1946 7.8 92.6 291.5 1817.4 1947 11.8 151.6 405.4 2636.0 1948 10.6 136.3 313.6 1976.8 1949 10.7 134.7 356.7 2129.2 1950 6.4 83.9 203.0 1222.3 1951 5.1 69.4 188.5 1136.2 1952 2.6 31.5 70.1 403.7 1953 1.2 13.9 25.5 145.7 1954 0.5 4.4 6.3 35.1 1955 3.2 38.0 96.1 553.3 1956 10.4 141.7 406.5 2392.2 1957 13.3 190.2 502.4 3056.2 1958 13.7 184.8 489.1 3016.8 1959 12.4 159.0 470.0 2879.2 1960 8.9 112.3 263.8 1641.6 1961 4.3 53.9 90.4 614.4 1962 2.8 37.5 68.9 460.5 1963 2.2 27.9 47.4 287.8 1964 1.1 10.2 8.4 54.1 1965 1.4 15.1 18.8 113.4 1966 4.1 47.0 106.7 594.4 1967 9.3 93.8 245.1 1525.2 1968 8.1 105.9 234.4 1570.9 1969 8.0 105.5 226.1 1451.3 1970 9.3 104.5 230.0 1596.2 1971 6.1 66.6 145.7 989.5 1972 6.2 68.9 135.5 916.1 1973 3.3 38.0 66.3 456.4 1974 3.0 34.5 56.4 399.8 1975 1.3 15.5 23.1 167.8 1976 1.2 12.6 24.8 163.9 1977 2.5 27.5 43.4 247.7 1978 11.1 92.4 173.4 991.6 1979 14.9 155.4 272.5 1567.1 1980 10.8 154.6 267.4 1541.3 1981 10.3 139.3 272.8 1579.1