Year | Value | 2022 | 54.563 | 2021 | 55.323 | 2020 | 56.091 | 2019 | 56.864 | 2018 | 57.644 | 2017 | 58.428 | 2016 | 59.217 | 2015 | 60.009 | 2014 | 60.804 | 2013 | 61.602 | 2012 | 62.401 | 2011 | 63.201 | 2010 | 64.001 | 2009 | 64.8 | 2008 | 65.597 | 2007 | 66.388 | 2006 | 67.168 | 2005 | 67.94 | 2004 | 68.7 | 2003 | 69.453 | 2002 | 70.194 | 2001 | 70.925 | 2000 | 71.644 | 1999 | 72.354 | 1998 | 73.052 | 1997 | 73.566 | 1996 | 74.025 | 1995 | 74.481 | 1994 | 74.931 | 1993 | 75.376 | 1992 | 75.814 | 1991 | 76.249 | 1990 | 76.678 | 1989 | 77.101 | 1988 | 77.518 | 1987 | 77.931 | 1986 | 78.452 | 1985 | 78.987 | 1984 | 79.512 | 1983 | 80.028 | 1982 | 80.534 | 1981 | 81.03 | 1980 | 81.516 | 1979 | 81.993 | 1978 | 82.46 | 1977 | 82.917 | 1976 | 83.349 | 1975 | 83.756 | 1974 | 84.155 | 1973 | 84.546 | 1972 | 84.928 | 1971 | 85.303 | 1970 | 85.67 | 1969 | 86.029 | 1968 | 86.381 | 1967 | 86.726 | 1966 | 87.062 | 1965 | 87.392 | 1964 | 87.714 | 1963 | 88.03 | 1962 | 88.338 | 1961 | 88.639 | 1960 | 88.934 |
|