Year | Value | 2022 | 123.59172829523 | 2021 | 114.02442211046 | 2020 | 110.60331221666 | 2019 | 110.961443624 | 2018 | 110.19063917287 | 2017 | 108.37537188559 | 2016 | 106.2961382811 | 2015 | 106.51192932012 | 2014 | 107.04755859663 | 2013 | 107.20956816137 | 2012 | 105.72041044957 | 2011 | 103.19610188834 | 2010 | 100 | 2009 | 98.231957788194 | 2008 | 98.515498281558 | 2007 | 94.657865255552 | 2006 | 92.09146271357 | 2005 | 88.963870441759 | 2004 | 86.064516864673 | 2003 | 83.525955262555 | 2002 | 81.062554696044 | 2001 | 78.65137347053 | 2000 | 75.925764461848 | 1999 | 73.405379287671 | 1998 | 71.747756333814 | 1997 | 70.455372303681 | 1996 | 69.093488545781 | 1995 | 66.719060211496 | 1994 | 63.739978924503 | 1993 | 60.867975982676 | 1992 | 58.208392760596 | 1991 | 54.952702709123 | 1990 | 51.874367046209 | 1989 | 48.607086421888 | 1988 | 45.51590306792 | 1987 | 43.415765003463 | 1986 | 41.250909581559 | 1985 | 37.916202571819 | 1984 | 34.844821442655 | 1983 | 31.312666107314 | 1982 | 27.914352527112 | 1981 | 24.397458397749 | 1980 | 21.298644915893 | 1979 | 18.430507398754 | 1978 | 15.935042241262 | 1977 | 13.3042948213 | 1976 | 10.682914499809 | 1975 | 9.0821894951288 | 1974 | 7.7656556826399 | 1973 | 6.7130278494917 | 1972 | 6.0251536715358 | 1971 | 5.5648160835114 | 1970 | 5.1413304928607 | 1969 | 4.8626452503642 | 1968 | 4.7598166868901 | 1967 | 4.5351297549332 | 1966 | 4.2626752767703 | 1965 | 4.012293437805 | 1964 | 3.5439862144589 | 1963 | 3.3127791814384 | 1962 | 3.0464102766325 | 1961 | 2.8819523245284 | 1960 | 2.8588172636632 |
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