Year | Value | 2021 | 530.283136 | 2020 | 360.409324 | 2019 | 926.888641 | 2018 | 835.904513 | 2017 | 753.351739 | 2016 | 665.124567915 | 2015 | 604.508812 | 2014 | 577.474932 | 2013 | 325.682352 | 2012 | 533.28361465604 | 2011 | 470.00341389006 | 2010 | 460.194054824 | 2009 | 227.454 | 2008 | 277.362 | 2007 | 285.577 | 2006 | 318.85 | 2005 | 322.706 | 2004 | 300.637 | 2003 | 278.368 | 2002 | 275.053 | 2001 | 274.979 | 2000 | 289.946 | 1999 | 240.8999938965 | 1998 | 184.8999938965 | 1997 | 471.6000061035 | 1996 | 384.5 | 1995 | 373.5 | 1994 | 380.200012207 | 1993 | 351.3999938965 | 1992 | 314.1000061035 | 1991 | 307.6000061035 | 1990 | 316 | 1989 | 327.3999938965 | 1988 | 303.700012207 | 1987 | 238.6000061035 | 1986 | 235.3000030518 | 1985 | 225.3999938965 | 1984 | 244.5 | 1983 | 243.5 | 1982 | 181.1000061035 | 1981 | 194.8999938965 | 1980 | 149.8000030518 | 1979 | 106.6999969482 | 1978 | 121.9000015259 | 1977 | 129.6999969482 | 1976 | 130.8000030518 | 1975 | 100.1999969482 | 1974 | 67.5 | 1973 | 46.7999992371 | 1972 | 36.9000015259 | 1971 | 31.6000003815 | 1970 | 21.7000007629 |
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