Year | Value | 2022 | 41.267 | 2021 | 41.852 | 2020 | 42.44 | 2019 | 43.032 | 2018 | 43.626 | 2017 | 44.223 | 2016 | 44.821 | 2015 | 45.422 | 2014 | 46.024 | 2013 | 46.627 | 2012 | 47.231 | 2011 | 47.836 | 2010 | 48.441 | 2009 | 49.046 | 2008 | 49.65 | 2007 | 50.254 | 2006 | 50.857 | 2005 | 51.459 | 2004 | 52.06 | 2003 | 52.662 | 2002 | 53.262 | 2001 | 53.861 | 2000 | 54.458 | 1999 | 55.056 | 1998 | 55.652 | 1997 | 56.245 | 1996 | 56.836 | 1995 | 57.427 | 1994 | 58.015 | 1993 | 58.601 | 1992 | 59.183 | 1991 | 59.765 | 1990 | 60.343 | 1989 | 60.918 | 1988 | 61.489 | 1987 | 62.059 | 1986 | 62.876 | 1985 | 63.768 | 1984 | 64.65 | 1983 | 65.524 | 1982 | 66.387 | 1981 | 67.239 | 1980 | 68.079 | 1979 | 68.909 | 1978 | 69.726 | 1977 | 70.531 | 1976 | 71.322 | 1975 | 72.708 | 1974 | 74.22 | 1973 | 75.676 | 1972 | 77.073 | 1971 | 78.416 | 1970 | 79.7 | 1969 | 80.423 | 1968 | 81.125 | 1967 | 81.81 | 1966 | 82.475 | 1965 | 83.12 | 1964 | 83.745 | 1963 | 84.353 | 1962 | 84.942 | 1961 | 85.512 | 1960 | 86.063 |
|