Year | Value | 2004 | 176.585 | 2003 | 174.549 | 2002 | 184.859 | 2001 | 184.961 | 2000 | 201.042 | 1999 | 201.3999938965 | 1998 | 203.3999938965 | 1997 | 205.5 | 1996 | 177.1000061035 | 1995 | 139.1000061035 | 1994 | 136 | 1993 | 127 | 1992 | 118.4000015259 | 1991 | 122.8000030518 | 1990 | 129.6000061035 | 1989 | 127.5999984741 | 1988 | 120.8000030518 | 1987 | 115.9000015259 | 1986 | 123.5999984741 | 1985 | 121.6999969482 | 1984 | 120.6999969482 | 1983 | 116.5 | 1982 | 120.5 | 1981 | 125 | 1980 | 119.8000030518 | 1979 | 124.9000015259 | 1978 | 128.8999938965 | 1977 | 117.3000030518 | 1976 | 105.4000015259 | 1975 | 91.0999984741 | 1974 | 96 | 1973 | 85.4000015259 | 1972 | 79.4000015259 | 1971 | 65.5999984741 | 1970 | 63.5999984741 |
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