Year | Value | 2021 | 83.737427 | 2020 | 117.785203056 | 2019 | 168.660713625 | 2018 | 50.616612 | 2017 | 61.74997781 | 2016 | 53.97916179 | 2015 | 57.009547184782 | 2014 | 207.73842 | 2013 | 225.1869 | 2012 | 152.31903697282 | 2011 | 159.69278354737 | 2010 | 164.42463860797 | 2009 | 0.013 | 2008 | 84.219 | 2007 | 89.026 | 2006 | 190.831 | 2005 | 183.493 | 2004 | 180.432 | 2003 | 175.496 | 2002 | 171.582 | 2001 | 169.602 | 2000 | 193.867 | 1999 | 143.1000061035 | 1998 | 144.8000030518 | 1997 | 199.8000030518 | 1996 | 135.6999969482 | 1995 | 165.3000030518 | 1994 | 160.6000061035 | 1993 | 47.7000007629 | 1992 | 82.5999984741 | 1991 | 99.4000015259 | 1990 | 69.5 | 1989 | 84.0999984741 | 1988 | 76.5 | 1987 | 83.1999969482 | 1986 | 70.8000030518 | 1985 | 68.8000030518 | 1984 | 53.0999984741 | 1983 | 20.6000003815 | 1982 | 19.8999996185 | 1981 | 19.7999992371 | 1980 | 19.6000003815 | 1979 | 19 | 1978 | 15.1000003815 | 1977 | 17 | 1976 | 9.3000001907 | 1975 | 5.3000001907 | 1974 | 2.7000000477 | 1973 | 1.2000000477 |
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