Year | Value | 2024 | 85 | 2023 | 82 | 2022 | 77 | 2021 | 73 | 2020 | 68 | 2019 | 62 | 2018 | 60 | 2017 | 59 | 2016 | 57 | 2015 | 57 | 2014 | 56 | 2013 | 57 | 2012 | 60 | 2011 | 65 | 2010 | 67 | 2009 | 71 | 2008 | 77 | 2007 | 82 | 2006 | 90 | 2005 | 97 | 2004 | 97 | 2003 | 93 | 2002 | 87 | 2001 | 81 | 2000 | 77 | 1999 | 73 | 1998 | 65 | 1997 | 58 | 1996 | 50 | 1995 | 45 | 1994 | 44 | 1993 | 45 | 1992 | 46 | 1991 | 46 | 1990 | 46 | 1989 | 42 | 1988 | 36 | 1987 | 33 | 1986 | 33 | 1985 | 31 | 1984 | 32 | 1983 | 33 | 1982 | 34 | 1981 | 36 | 1980 | 37 | 1979 | 37 | 1978 | 40 | 1977 | 42 | 1976 | 42 | 1975 | 44 |
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