Year | Value | 2022 | 85.462 | 2021 | 85.529 | 2020 | 85.584 | 2019 | 85.629 | 2018 | 85.662 | 2017 | 85.685 | 2016 | 85.697 | 2015 | 85.697 | 2014 | 85.687 | 2013 | 85.666 | 2012 | 85.633 | 2011 | 85.59 | 2010 | 85.536 | 2009 | 85.481 | 2008 | 85.426 | 2007 | 85.371 | 2006 | 85.316 | 2005 | 85.261 | 2004 | 85.205 | 2003 | 85.15 | 2002 | 85.094 | 2001 | 85.038 | 2000 | 84.87 | 1999 | 84.586 | 1998 | 84.298 | 1997 | 84.006 | 1996 | 83.71 | 1995 | 83.518 | 1994 | 83.434 | 1993 | 83.349 | 1992 | 83.264 | 1991 | 83.179 | 1990 | 83.072 | 1989 | 82.936 | 1988 | 82.799 | 1987 | 82.66 | 1986 | 82.521 | 1985 | 82.381 | 1984 | 82.241 | 1983 | 82.099 | 1982 | 81.957 | 1981 | 81.813 | 1980 | 81.726 | 1979 | 81.716 | 1978 | 81.706 | 1977 | 81.696 | 1976 | 81.686 | 1975 | 81.676 | 1974 | 81.666 | 1973 | 81.656 | 1972 | 81.646 | 1971 | 81.636 | 1970 | 81.547 | 1969 | 81.346 | 1968 | 81.145 | 1967 | 80.941 | 1966 | 80.736 | 1965 | 80.529 | 1964 | 80.321 | 1963 | 80.11 | 1962 | 79.898 | 1961 | 79.685 | 1960 | 79.563 |
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