Year | Value | 2022 | 67.605 | 2021 | 67.697 | 2020 | 67.758 | 2019 | 67.79 | 2018 | 67.791 | 2017 | 67.763 | 2016 | 67.704 | 2015 | 67.615 | 2014 | 67.496 | 2013 | 67.346 | 2012 | 67.166 | 2011 | 66.985 | 2010 | 66.804 | 2009 | 66.622 | 2008 | 66.44 | 2007 | 66.257 | 2006 | 66.074 | 2005 | 65.89 | 2004 | 65.706 | 2003 | 65.521 | 2002 | 65.415 | 2001 | 65.83 | 2000 | 66.242 | 1999 | 66.653 | 1998 | 67.061 | 1997 | 67.466 | 1996 | 67.868 | 1995 | 68.268 | 1994 | 68.665 | 1993 | 69.06 | 1992 | 69.501 | 1991 | 70.262 | 1990 | 71.012 | 1989 | 71.75 | 1988 | 72.476 | 1987 | 73.191 | 1986 | 73.895 | 1985 | 74.586 | 1984 | 75.264 | 1983 | 75.931 | 1982 | 76.571 | 1981 | 77.105 | 1980 | 77.629 | 1979 | 78.147 | 1978 | 78.655 | 1977 | 79.154 | 1976 | 79.644 | 1975 | 80.127 | 1974 | 80.6 | 1973 | 81.126 | 1972 | 81.64 | 1971 | 82.145 | 1970 | 82.638 | 1969 | 83.12 | 1968 | 83.694 | 1967 | 84.273 | 1966 | 84.835 | 1965 | 85.38 | 1964 | 85.908 | 1963 | 86.422 | 1962 | 86.918 | 1961 | 87.179 | 1960 | 87.392 |
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