Year | Value | 2021 | 412.484 | 2020 | 226.479 | 2019 | 394.05 | 2018 | 436.198 | 2017 | 398.473464249 | 2016 | 403.07558397475 | 2015 | 381.6320526 | 2014 | 384.70865414 | 2013 | 385.12 | 2012 | 405.42043 | 2011 | 364.50263 | 2010 | 339.048919353 | 2009 | 278.998 | 2008 | 331.457 | 2007 | 343.641 | 2006 | 325.413 | 2005 | 310.362 | 2004 | 312.627 | 2003 | 238.009 | 2002 | 203.126 | 2001 | 217.567 | 2000 | 255.708 | 1999 | 179.1999969482 | 1998 | 156.5 | 1997 | 173.8999938965 | 1996 | 158.6000061035 | 1995 | 156 | 1994 | 109.9000015259 | 1993 | 104.4000015259 | 1992 | 109.8000030518 | 1991 | 100.6999969482 | 1990 | 93.4000015259 | 1989 | 75.4000015259 | 1988 | 61.7000007629 | 1987 | 49.0999984741 | 1986 | 54.7000007629 | 1985 | 67.5999984741 | 1984 | 59.5999984741 | 1983 | 44.5999984741 | 1982 | 39.7999992371 | 1981 | 26.7999992371 | 1980 | 9.6999998093 | 1979 | 1.7999999523 | 1978 | 0.5 | 1977 | 2.2000000477 | 1976 | 2.4000000954 | 1975 | 2 | 1974 | 2.5999999046 | 1973 | 2.9000000954 | 1972 | 3.5 | 1971 | 1.8999999762 | 1970 | 1.7999999523 |
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