Year | Value | 2022 | 64.044 | 2021 | 64.407 | 2020 | 64.747 | 2019 | 65.064 | 2018 | 65.358 | 2017 | 65.63 | 2016 | 65.879 | 2015 | 66.106 | 2014 | 66.311 | 2013 | 66.493 | 2012 | 66.654 | 2011 | 66.793 | 2010 | 66.911 | 2009 | 67.007 | 2008 | 67.081 | 2007 | 67.134 | 2006 | 67.187 | 2005 | 67.24 | 2004 | 67.293 | 2003 | 67.346 | 2002 | 67.399 | 2001 | 67.452 | 2000 | 67.505 | 1999 | 67.558 | 1998 | 67.61 | 1997 | 67.663 | 1996 | 67.716 | 1995 | 67.768 | 1994 | 67.821 | 1993 | 67.873 | 1992 | 68.897 | 1991 | 70.16 | 1990 | 71.39 | 1989 | 72.59 | 1988 | 73.756 | 1987 | 74.893 | 1986 | 75.995 | 1985 | 77.063 | 1984 | 78.097 | 1983 | 79.099 | 1982 | 79.624 | 1981 | 79.834 | 1980 | 80.041 | 1979 | 80.248 | 1978 | 80.453 | 1977 | 80.656 | 1976 | 80.857 | 1975 | 81.057 | 1974 | 81.256 | 1973 | 81.452 | 1972 | 82.059 | 1971 | 82.78 | 1970 | 83.477 | 1969 | 84.152 | 1968 | 84.803 | 1967 | 85.433 | 1966 | 86.041 | 1965 | 86.627 | 1964 | 87.192 | 1963 | 87.738 | 1962 | 88.263 | 1961 | 88.768 | 1960 | 89.254 |
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