Year | Value | 2021 | 258.342932 | 2020 | 96.451838 | 2019 | 340.335049 | 2018 | 313.264641181 | 2017 | 316.825703 | 2016 | 276.1751 | 2015 | 329.56881731915 | 2014 | 295.31226543068 | 2013 | 334.88048568156 | 2012 | 122.151244 | 2011 | 107.179094 | 2010 | 83.580402606642 | 2009 | 256.939 | 2008 | 230.125 | 2007 | 161.576 | 2006 | 112.233 | 2005 | 138.691 | 2004 | 221.044 | 2003 | 116 | 2002 | 100.417 | 2001 | 117.132 | 2000 | 53.662 | 1999 | 6 | 1998 | 8.6999998093 | 1997 | 9.5 | 1996 | 14.1000003815 | 1995 | 34.5999984741 | 1994 | 22.3999996185 | 1993 | 40.0999984741 | 1992 | 40.5 | 1991 | 25 | 1990 | 25.6000003815 | 1989 | 30.2000007629 | 1988 | 52.0999984741 | 1987 | 78.6999969482 | 1986 | 80.0999984741 | 1985 | 47.4000015259 | 1984 | 61 | 1983 | 75.6999969482 | 1982 | 83.3000030518 | 1981 | 47.5999984741 | 1980 | 40.0999984741 | 1979 | 35.7000007629 | 1978 | 37.7000007629 | 1977 | 34.7999992371 | 1976 | 25.1000003815 | 1975 | 22.2999992371 | 1974 | 34.4000015259 | 1973 | 12.3000001907 | 1972 | 15.8999996185 | 1971 | 17.2999992371 | 1970 | 22.3999996185 |
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