Year | Value | 2019 | 0.055324647 | 2016 | 0.02300256 | 2015 | 0.023472 | 2014 | 0.670884 | 2013 | 0.86022 | 2012 | 0.80397756237878 | 2011 | 0.66585065462504 | 2010 | 0.735263 | 2009 | 26.855 | 2008 | 29.544 | 2007 | 30.578 | 2006 | 33.975 | 2005 | 28.55 | 2004 | 26.682 | 2003 | 23.405 | 2002 | 21.277 | 2001 | 21.066 | 2000 | 20.653 | 1999 | 21.7000007629 | 1998 | 2.7000000477 | 1997 | 1.1000000238 | 1996 | 1.1000000238 | 1995 | 1.1000000238 | 1994 | 0.6999999881 | 1993 | 0.1000000015 | 1992 | 0.1000000015 | 1990 | 21.7000007629 | 1989 | 21.7000007629 | 1988 | 17.1000003815 | 1987 | 15.3000001907 | 1986 | 14.5 | 1985 | 11 | 1984 | 8.3999996185 | 1983 | 25.3999996185 | 1982 | 28.7999992371 | 1981 | 24.6000003815 | 1980 | 8.5 | 1976 | 7.4000000954 | 1975 | 5.6999998093 | 1974 | 5.8000001907 | 1973 | 7.4000000954 | 1972 | 8.6999998093 | 1971 | 9.1999998093 | 1970 | 9.3999996185 |
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