1898 67.7 66.8 71.5 59.0 1899 90.3 75.5 95.1 91.1 1900 73.8 71.7 77.1 67.6 1901 64.3 78.9 62.8 55.7 1902 90.2 85.2 92.4 89.2 1903 78.0 76.6 80.8 72.2 1904 99.0 96.9 99.5 99.5 1905 96.9 92.8 97.9 98.4 1906 38.0 51.4 40.1 21.4 1907 80.6 71.8 83.1 82.1 1908 73.2 67.5 77.9 66.5 1909 41.8 10.5 54.0 38.4 1910 90.3 86.4 92.5 88.2 1911 76.5 48.9 84.7 79.9 1912 97.2 93.8 98.2 97.9 1913 39.3 55.7 40.8 21.6 1914 62.8 61.6 67.4 52.6 1915 84.4 60.2 91.5 87.6 1916 65.2 62.4 69.3 57.3 1917 95.3 89.8 96.9 95.9 1918 98.9 94.6 100.0 100.0 1919 23.6 0.0 39.1 5.6 1920 97.5 93.3 98.5 99.0 1921 38.6 50.0 46.0 11.0 1922 71.8 70.4 73.5 68.8 1923 75.2 69.4 77.2 75.3 1924 70.1 73.2 72.4 61.8 1925 76.4 36.3 86.6 85.5 1926 78.7 77.6 79.4 77.9 1927 66.3 11.3 80.0 79.4 1928 57.1 60.6 58.8 50.3 1929 69.5 75.8 70.4 62.0 1930 61.7 65.0 58.1 67.9 1931 48.9 15.4 55.5 61.1 1932 0.0 0.0 0.0 0.0 1933 0.0 0.0 0.0 0.0 1934 71.4 67.9 69.7 78.7 1935 81.0 74.0 82.0 84.7 1936 96.7 90.2 98.4 98.2 1937 9.7 49.1 0.0 0.0 1938 64.7 38.6 71.6 69.9 1939 54.3 57.9 54.9 50.1 1940 89.4 85.5 90.3 90.6 1941 56.1 59.9 57.0 50.8 1942 68.0 68.5 69.7 63.5 1943 76.8 76.2 73.0 86.6 1944 65.2 68.5 66.9 58.6 1945 92.9 88.1 93.7 95.0 1946 76.9 77.6 79.4 70.0 1947 52.7 65.0 54.0 39.0 1948 93.1 90.1 94.1 93.0 1949 6.7 33.9 0.0 0.0 1950 5.3 14.1 4.4 0.0 1951 76.4 71.9 78.7 74.5 1952 62.2 66.0 64.8 52.5 1953 0.2 0.8 0.0 0.0 1954 51.7 53.9 50.9 51.9 1955 65.4 64.6 64.9 67.3 1956 78.4 77.0 78.6 79.2 1957 73.0 70.6 74.0 72.7 1958 66.8 67.9 67.2 65.0 1959 96.3 92.0 97.3 97.8 1960 45.9 52.0 45.3 42.3 1961 82.3 71.5 81.4 93.9 1962 89.6 87.0 90.9 88.8 1963 97.9 96.1 98.4 98.1 1964 83.6 79.7 87.3 77.8 1965 71.7 71.8 73.5 67.3 1966 80.8 78.3 82.9 77.9 1967 54.8 65.1 56.8 41.2 1968 85.3 80.0 87.1 85.5 1969 80.8 80.6 82.2 77.8 1970 95.4 91.5 96.0 97.4 1971 88.8 75.5 91.9 92.5 1972 69.7 72.8 70.8 64.5 1973 63.6 67.6 65.6 55.1 1974 58.9 64.4 57.6 57.2 1975 51.4 56.4 54.7 39.1 1976 75.6 69.7 72.1 89.1 1977 97.4 95.8 97.2 99.0 1978 98.8 98.4 98.9 98.9 1979 91.8 95.2 91.0 91.1 1980 85.4 82.2 86.6 85.2 1981 85.6 77.5 85.3 93.1 1982 96.8 97.4 96.5 97.1 1983 23.3 61.3 15.1 11.0 1984 75.2 67.8 73.8 85.0 1985 92.1 92.8 91.5 92.8 1986 86.7 81.8 88.1 87.4 1987 62.8 69.3 65.4 50.6 1988 84.9 87.3 86.8 78.1 1989 71.3 75.1 70.5 70.1 1990 26.4 26.1 15.3 54.0 1991 22.5 51.7 16.8 11.6 1992 72.3 81.7 75.7 56.0 1993 58.8 87.7 53.8 46.2 1994 89.3 85.6 89.2 92.7 1995 62.8 71.2 60.4 61.6 1996 89.7 79.6 91.7 93.2 1997 76.8 64.3 77.1 86.5 1998 0.5 0.3 0.0 1.8 1999 34.1 39.8 39.5 16.1 2000 75.0 72.4 82.6 58.5 2001 76.0 61.3 75.4 90.0 2002 1.4 1.2 1.0 2.6