Year | Value | 2001 | 0.091999999999999 | 2000 | 1 | 1999 | 1.138 | 1998 | 1.295 | 1997 | 1.473 | 1996 | 1.675 | 1995 | 1.904 | 1994 | 1.971 | 1993 | 1.984 | 1992 | 1.998 | 1991 | 2.012 | 1990 | 2.026 | 1989 | 2.04 | 1988 | 2.054 | 1987 | 2.068 | 1986 | 2.083 | 1985 | 2.097 | 1984 | 2.449 | 1983 | 2.966 | 1982 | 3.586 | 1981 | 4.33 | 1980 | 5.219 | 1979 | 6.072 | 1978 | 7 | 1977 | 8.056 | 1976 | 9.255 | 1975 | 10.616 | 1974 | 11.421 | 1973 | 12.098 | 1972 | 12.808 | 1971 | 13.556 | 1970 | 14.339 | 1969 | 15.418 | 1968 | 16.629 | 1967 | 17.919 | 1966 | 19.284 | 1965 | 20.727 | 1964 | 21.659 | 1963 | 22.489 | 1962 | 23.34 | 1961 | 24.213 | 1960 | 25.107 |
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