Year | Value | 2021 | 130 | 2020 | 130 | 2019 | 130 | 2018 | 130 | 2017 | 130 | 2016 | 130 | 2015 | 130 | 2014 | 130 | 2013 | 130 | 2012 | 130 | 2011 | 130 | 2010 | 120 | 2009 | 110 | 2008 | 110 | 2007 | 110 | 2006 | 110 | 2005 | 110 | 2004 | 110 | 2003 | 110 | 2002 | 110 | 2001 | 110 | 2000 | 110 | 1999 | 100 | 1998 | 100 | 1997 | 100 | 1996 | 100 | 1995 | 100 | 1994 | 100 | 1993 | 110 | 1992 | 110 | 1991 | 110 | 1990 | 110 | 1989 | 110 | 1988 | 110 | 1987 | 110 | 1986 | 110 | 1985 | 110 | 1984 | 110 | 1983 | 110 | 1982 | 110 | 1981 | 110 | 1980 | 110 | 1979 | 110 | 1978 | 110 | 1977 | 110 | 1976 | 110 | 1975 | 100 | 1974 | 100 |
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