Year | Value | 2021 | 1,244.7647 | 2020 | 1,316.50942 | 2019 | 1,931.1555305 | 2018 | 2,027.637109896 | 2017 | 1,982.586170817 | 2016 | 1,868.73262766 | 2015 | 1,907.0519094469 | 2014 | 1,925.7720086297 | 2013 | 1,984.693734 | 2012 | 2,731.69798 | 2011 | 2,846.5987975643 | 2010 | 2,938.314378037 | 2009 | 2,769.286 | 2008 | 2,212.439 | 2007 | 2,348.084 | 2006 | 2,569.506 | 2005 | 2,444.586 | 2004 | 1,898.071 | 2003 | 1,355.351 | 2002 | 1,544.717 | 2001 | 1,678.089 | 2000 | 1,730.735 | 1999 | 1,693 | 1998 | 1,904.4000244141 | 1997 | 1,953.8000488281 | 1996 | 1,833.6999511719 | 1995 | 1,737.5 | 1994 | 1,645.5 | 1993 | 1,525.8000488281 | 1992 | 1,361.5 | 1991 | 1,222.5999755859 | 1990 | 1,222.3000488281 | 1989 | 1,125.3000488281 | 1988 | 1,027.0999755859 | 1987 | 990.799987793 | 1986 | 859.299987793 | 1985 | 814.799987793 | 1984 | 734.0999755859 | 1983 | 624.9000244141 | 1982 | 576 | 1981 | 556.4000244141 | 1980 | 516.5 | 1979 | 528.299987793 | 1978 | 459.8999938965 | 1977 | 376.1000061035 | 1976 | 354.200012207 | 1975 | 326.5 | 1974 | 315.299987793 | 1973 | 266.6000061035 | 1972 | 220.1999969482 | 1971 | 230.6999969482 | 1970 | 234.6999969482 |
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