Year | Value | 2022 | 91.955 | 2021 | 91.867 | 2020 | 91.782 | 2019 | 91.698 | 2018 | 91.616 | 2017 | 91.535 | 2016 | 91.457 | 2015 | 91.381 | 2014 | 91.304 | 2013 | 91.226 | 2012 | 91.148 | 2011 | 91.069 | 2010 | 90.812 | 2009 | 89.989 | 2008 | 89.103 | 2007 | 88.146 | 2006 | 87.118 | 2005 | 85.978 | 2004 | 84.64 | 2003 | 83.196 | 2002 | 81.647 | 2001 | 79.99 | 2000 | 78.649 | 1999 | 78.523 | 1998 | 78.398 | 1997 | 78.272 | 1996 | 78.145 | 1995 | 78.016 | 1994 | 77.881 | 1993 | 77.746 | 1992 | 77.61 | 1991 | 77.473 | 1990 | 77.339 | 1989 | 77.213 | 1988 | 77.088 | 1987 | 76.962 | 1986 | 76.835 | 1985 | 76.712 | 1984 | 76.603 | 1983 | 76.493 | 1982 | 76.383 | 1981 | 76.273 | 1980 | 76.175 | 1979 | 76.118 | 1978 | 76.06 | 1977 | 76.002 | 1976 | 75.944 | 1975 | 75.716 | 1974 | 74.975 | 1973 | 74.22 | 1972 | 73.452 | 1971 | 72.666 | 1970 | 71.877 | 1969 | 71.102 | 1968 | 70.316 | 1967 | 69.516 | 1966 | 68.704 | 1965 | 67.866 | 1964 | 66.972 | 1963 | 66.064 | 1962 | 65.144 | 1961 | 64.213 | 1960 | 63.272 |
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