Year | Value | 2021 | 0.948713924 | 2020 | 0.96258687852383 | 2019 | 0.7512 | 2018 | 0.915105 | 2017 | 0.228606 | 2016 | 0.058456882 | 2015 | 0.085839768595041 | 2014 | 0.084444 | 2013 | 0.081984 | 2012 | 0.206531325 | 2001 | 7.4000000953674 | 1994 | 43.0999984741 | 1993 | 22.1000003815 | 1992 | 28.5 | 1991 | 33.2000007629 | 1990 | 57.2999992371 | 1989 | 59.7000007629 | 1988 | 55.2999992371 | 1987 | 52.5 | 1986 | 31.1000003815 | 1985 | 30.5 | 1984 | 32 | 1983 | 28.8999996185 | 1982 | 30.7000007629 | 1981 | 38.4000015259 | 1980 | 34.5 | 1979 | 41.5 | 1978 | 37.5 | 1977 | 42 | 1976 | 53.5 | 1975 | 44.7999992371 | 1974 | 33.9000015259 | 1973 | 24.6000003815 | 1972 | 18.8999996185 | 1971 | 17.2999992371 | 1970 | 13.6999998093 |
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