Year | Value | 2022 | 68.123 | 2021 | 68.76 | 2020 | 69.393 | 2019 | 70.02 | 2018 | 70.642 | 2017 | 71.257 | 2016 | 71.866 | 2015 | 72.47 | 2014 | 73.066 | 2013 | 73.654 | 2012 | 74.233 | 2011 | 74.804 | 2010 | 75.367 | 2009 | 75.921 | 2008 | 76.466 | 2007 | 77.004 | 2006 | 77.661 | 2005 | 78.463 | 2004 | 79.243 | 2003 | 80.004 | 2002 | 80.742 | 2001 | 81.46 | 2000 | 82.156 | 1999 | 82.834 | 1998 | 83.49 | 1997 | 84.125 | 1996 | 84.593 | 1995 | 84.869 | 1994 | 85.14 | 1993 | 85.407 | 1992 | 85.67 | 1991 | 85.93 | 1990 | 86.185 | 1989 | 86.437 | 1988 | 86.684 | 1987 | 86.928 | 1986 | 87.168 | 1985 | 87.666 | 1984 | 88.456 | 1983 | 89.204 | 1982 | 89.909 | 1981 | 90.572 | 1980 | 91.195 | 1979 | 91.782 | 1978 | 92.332 | 1977 | 92.849 | 1976 | 93.332 | 1975 | 93.653 | 1974 | 93.778 | 1973 | 93.9 | 1972 | 94.02 | 1971 | 94.139 | 1970 | 94.254 | 1969 | 94.368 | 1968 | 94.48 | 1967 | 94.589 | 1966 | 94.697 | 1965 | 94.802 | 1964 | 94.905 | 1963 | 95.007 | 1962 | 95.107 | 1961 | 95.204 | 1960 | 95.3 |
|