Year | Value | 2019 | 0.910194 | 2018 | 0.911447 | 2017 | 1.473259309 | 2016 | 1.49602039 | 2015 | 1.3564977006518 | 2014 | 1.37196 | 2013 | 1.409832 | 2012 | 0.96648351791496 | 2011 | 0.389 | 2010 | 0.122 | 2009 | 2.367 | 2008 | 2.579 | 2007 | 2.625 | 2006 | 2.545 | 2005 | 2.481 | 2004 | 2.261 | 2003 | 1.911 | 2002 | 1.828 | 2001 | 1.64 | 2000 | 1.671 | 1999 | 1.5 | 1998 | 1.7000000477 | 1997 | 0.8999999762 | 1996 | 0.8999999762 | 1995 | 0.8999999762 | 1994 | 0.8000000119 | 1993 | 0.8000000119 | 1992 | 0.8000000119 | 1991 | 0.8000000119 | 1990 | 0.8000000119 | 1989 | 0.1000000015 | 1988 | 0.1000000015 | 1987 | 0.1000000015 | 1986 | 0.200000003 | 1985 | 0.200000003 | 1984 | 0.200000003 | 1983 | 0.1000000015 | 1982 | 0.1000000015 | 1981 | 0.1000000015 | 1980 | 0.1000000015 | 1979 | 0.1000000015 | 1978 | 0.1000000015 | 1977 | 0.1000000015 | 1976 | 0.5 | 1975 | 0.5 | 1974 | 0.5 | 1973 | 0.5 | 1972 | 0.5 | 1971 | 0.400000006 | 1970 | 0.6000000238 |
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