Year | Value | 2021 | 317.58911989252 | 2020 | 773.953135823 | 2019 | 1,207.88220494 | 2018 | 1,349.295231308 | 2017 | 1,335.9532054568 | 2016 | 1,231.8541930669 | 2015 | 1,155.4587200562 | 2014 | 999.3047112 | 2013 | 934.540524 | 2012 | 975.021 | 2011 | 892.848 | 2010 | 468.638 | 2009 | 799.295 | 2008 | 920.847 | 2007 | 868.14 | 2006 | 819 | 2005 | 781.469 | 2004 | 748.833 | 2003 | 800.524 | 2002 | 687.521 | 2001 | 762.982 | 2000 | 817.137 | 1999 | 855.5999755859 | 1998 | 826.200012207 | 1997 | 928.4000244141 | 1996 | 745 | 1995 | 580.299987793 | 1994 | 555.5999755859 | 1993 | 473 | 1992 | 409.8999938965 | 1991 | 379.8999938965 | 1990 | 325.1000061035 | 1989 | 317.3999938965 | 1988 | 320.299987793 | 1987 | 335.3999938965 | 1986 | 318.6000061035 | 1985 | 305.3999938965 | 1984 | 288.3999938965 | 1983 | 262.8999938965 | 1982 | 221.3999938965 | 1981 | 199.6000061035 | 1980 | 185.8999938965 | 1979 | 176.3000030518 | 1978 | 164 | 1977 | 140.6999969482 | 1976 | 136.6999969482 | 1975 | 114.5 | 1974 | 110.3000030518 | 1973 | 68.5999984741 | 1972 | 48.7000007629 | 1971 | 41.5 | 1970 | 35.7999992371 |
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