Year | Value | 2022 | 73.841 | 2021 | 74.447 | 2020 | 75.046 | 2019 | 75.639 | 2018 | 76.226 | 2017 | 76.804 | 2016 | 77.376 | 2015 | 77.94 | 2014 | 78.496 | 2013 | 79.042 | 2012 | 79.576 | 2011 | 80.102 | 2010 | 80.617 | 2009 | 81.122 | 2008 | 81.616 | 2007 | 82.101 | 2006 | 82.575 | 2005 | 83.04 | 2004 | 83.493 | 2003 | 83.939 | 2002 | 84.374 | 2001 | 84.799 | 2000 | 85.214 | 1999 | 85.621 | 1998 | 86.018 | 1997 | 86.406 | 1996 | 86.784 | 1995 | 87.154 | 1994 | 87.515 | 1993 | 87.867 | 1992 | 88.21 | 1991 | 88.546 | 1990 | 88.924 | 1989 | 89.335 | 1988 | 89.733 | 1987 | 90.118 | 1986 | 90.489 | 1985 | 90.848 | 1984 | 91.195 | 1983 | 91.53 | 1982 | 91.853 | 1981 | 92.166 | 1980 | 92.466 | 1979 | 92.644 | 1978 | 92.724 | 1977 | 92.803 | 1976 | 92.882 | 1975 | 92.96 | 1974 | 93.037 | 1973 | 93.113 | 1972 | 93.188 | 1971 | 93.263 | 1970 | 93.336 | 1969 | 93.438 | 1968 | 93.717 | 1967 | 93.986 | 1966 | 94.243 | 1965 | 94.491 | 1964 | 94.727 | 1963 | 94.955 | 1962 | 95.174 | 1961 | 95.383 | 1960 | 95.583 |
|