Year | Value | 2021 | 75.60493 | 2020 | 95.88035 | 2019 | 192.977927 | 2018 | 217.534134 | 2017 | 214.52857 | 2016 | 175.4744 | 2015 | 183.17731267 | 2014 | 204.62313428526 | 2013 | 292.76080057044 | 2012 | 286.07568579051 | 2011 | 297.68351978723 | 2010 | 332.957297192 | 2009 | 303.905 | 2008 | 319.796 | 2007 | 313.872 | 2006 | 426.991 | 2005 | 407.926 | 2004 | 402.035 | 2003 | 346.607 | 2002 | 346.88 | 2001 | 371.228 | 2000 | 340.309 | 1999 | 331.799987793 | 1998 | 402.3999938965 | 1997 | 422.700012207 | 1996 | 427.200012207 | 1995 | 445.5 | 1994 | 441.5 | 1993 | 408.3999938965 | 1992 | 398.6000061035 | 1991 | 373.299987793 | 1990 | 420.5 | 1989 | 418.700012207 | 1988 | 388.799987793 | 1987 | 327.8999938965 | 1986 | 319.5 | 1985 | 309.799987793 | 1984 | 270.6000061035 | 1983 | 230.1000061035 | 1982 | 224.1000061035 | 1981 | 248.5 | 1980 | 235.3999938965 | 1979 | 214.6999969482 | 1978 | 194.8000030518 | 1977 | 161.6000061035 | 1976 | 144.1000061035 | 1975 | 125.3000030518 | 1974 | 90.4000015259 | 1973 | 70.5999984741 | 1972 | 52 | 1971 | 63.4000015259 | 1970 | 69.5999984741 |
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