Year | Value | 2022 | 63.318 | 2021 | 64.046 | 2020 | 64.773 | 2019 | 65.5 | 2018 | 66.224 | 2017 | 66.947 | 2016 | 67.667 | 2015 | 68.383 | 2014 | 69.096 | 2013 | 69.804 | 2012 | 70.507 | 2011 | 71.202 | 2010 | 71.886 | 2009 | 72.561 | 2008 | 73.224 | 2007 | 73.879 | 2006 | 74.522 | 2005 | 75.155 | 2004 | 75.777 | 2003 | 76.389 | 2002 | 76.956 | 2001 | 77.326 | 2000 | 77.691 | 1999 | 78.053 | 1998 | 78.41 | 1997 | 78.763 | 1996 | 79.112 | 1995 | 79.457 | 1994 | 79.797 | 1993 | 80.133 | 1992 | 80.464 | 1991 | 80.792 | 1990 | 81.116 | 1989 | 81.435 | 1988 | 81.779 | 1987 | 82.275 | 1986 | 82.759 | 1985 | 83.233 | 1984 | 83.695 | 1983 | 84.149 | 1982 | 84.591 | 1981 | 85.024 | 1980 | 85.445 | 1979 | 85.859 | 1978 | 86.341 | 1977 | 87.227 | 1976 | 88.063 | 1975 | 88.854 | 1974 | 89.597 | 1973 | 90.296 | 1972 | 90.952 | 1971 | 91.569 | 1970 | 92.148 | 1969 | 92.689 | 1968 | 93.196 | 1967 | 93.627 | 1966 | 93.801 | 1965 | 93.97 | 1964 | 94.135 | 1963 | 94.296 | 1962 | 94.453 | 1961 | 94.606 | 1960 | 94.754 |
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