Year | Value | 2022 | 62.408 | 2021 | 63.061 | 2020 | 63.71 | 2019 | 64.355 | 2018 | 64.996 | 2017 | 65.632 | 2016 | 66.264 | 2015 | 66.892 | 2014 | 67.513 | 2013 | 68.128 | 2012 | 68.736 | 2011 | 69.34 | 2010 | 69.936 | 2009 | 70.525 | 2008 | 71.107 | 2007 | 71.684 | 2006 | 72.252 | 2005 | 72.814 | 2004 | 73.758 | 2003 | 74.874 | 2002 | 75.956 | 2001 | 77.007 | 2000 | 78.023 | 1999 | 79.009 | 1998 | 79.961 | 1997 | 80.88 | 1996 | 81.766 | 1995 | 82.622 | 1994 | 83.146 | 1993 | 83.51 | 1992 | 83.867 | 1991 | 84.218 | 1990 | 84.563 | 1989 | 84.902 | 1988 | 85.234 | 1987 | 85.561 | 1986 | 85.882 | 1985 | 86.196 | 1984 | 86.496 | 1983 | 86.786 | 1982 | 87.07 | 1981 | 87.35 | 1980 | 87.623 | 1979 | 87.893 | 1978 | 88.157 | 1977 | 88.416 | 1976 | 88.669 | 1975 | 88.919 | 1974 | 89.163 | 1973 | 89.403 | 1972 | 89.705 | 1971 | 90.045 | 1970 | 90.375 | 1969 | 90.696 | 1968 | 91.006 | 1967 | 91.308 | 1966 | 91.6 | 1965 | 91.677 | 1964 | 91.754 | 1963 | 91.83 | 1962 | 91.905 | 1961 | 91.98 | 1960 | 92.054 |
|