Year | Value | 2021 | 907.929041 | 2020 | 875.122843 | 2019 | 1,938.232596 | 2018 | 2,703.96417383 | 2017 | 2,407.098107 | 2016 | 1,893.8815 | 2015 | 1,833.847614 | 2014 | 1,851.32674 | 2013 | 1,733.76172 | 2012 | 1,579.229879 | 2011 | 1,702.702702 | 2010 | 1,630.9641422215 | 2009 | 1,235.158 | 2008 | 1,233.937 | 2007 | 967.684 | 2006 | 842.55 | 2005 | 774.04 | 2004 | 708.475 | 2003 | 579.85 | 2002 | 546.34 | 2001 | 515.37 | 2000 | 547.652 | 1999 | 531.200012207 | 1998 | 531.299987793 | 1997 | 528 | 1996 | 565 | 1995 | 653.9000244141 | 1994 | 563.5999755859 | 1993 | 372.3999938965 | 1992 | 429.3999938965 | 1991 | 493.1000061035 | 1990 | 662.9000244141 | 1989 | 680.5999755859 | 1988 | 646.299987793 | 1987 | 645.200012207 | 1986 | 539.700012207 | 1985 | 489.700012207 | 1984 | 545.5 | 1983 | 461.6000061035 | 1982 | 409.8999938965 | 1981 | 411.3999938965 | 1980 | 366 | 1979 | 297.6000061035 | 1978 | 297.700012207 | 1977 | 275.8999938965 | 1976 | 250.6999969482 | 1975 | 211.3000030518 | 1974 | 144.6999969482 |
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