Year | Value | 2022 | 117.22188396973 | 2021 | 108.73271288162 | 2020 | 106.22771157693 | 2019 | 106.584326346 | 2018 | 105.59276332956 | 2017 | 105.07958597895 | 2016 | 104.72297120988 | 2015 | 104.71427328868 | 2014 | 105.01870053057 | 2013 | 104.82734626424 | 2012 | 104.29677307124 | 2011 | 102.55718883187 | 2010 | 100 | 2009 | 100.93067756806 | 2008 | 105.66234669914 | 2007 | 101.53953205184 | 2006 | 96.799164999565 | 2005 | 93.137340175698 | 2004 | 90.928068191702 | 2003 | 88.971035922415 | 2002 | 85.970253109507 | 2001 | 82.177959467687 | 2000 | 78.359572062277 | 1999 | 74.210663651387 | 1998 | 73.019048447421 | 1997 | 71.296860050448 | 1996 | 70.225496216404 | 1995 | 69.015155257893 | 1994 | 67.315527528921 | 1993 | 65.79616334696 | 1992 | 64.843341741324 | 1991 | 62.911946594764 | 1990 | 60.954799512916 | 1989 | 58.997657649822 | 1988 | 56.679988692703 | 1987 | 55.495399669479 | 1986 | 53.795771940506 | 1985 | 51.812872923371 | 1984 | 49.160423588762 | 1983 | 45.246129425067 | 1982 | 40.966138992781 | 1981 | 34.9698234322 | 1980 | 29.051092458902 | 1979 | 24.587388884057 | 1978 | 21.702008350004 | 1977 | 20.148341306428 | 1976 | 17.756187701139 | 1975 | 15.049441011906 | 1974 | 12.450328969394 | 1973 | 10.643478506693 | 1972 | 9.5530160204775 | 1971 | 8.7960444886948 | 1970 | 8.0725985026417 | 1969 | 7.460316168119 | 1968 | 6.94508146594 | 1967 | 6.6345290426663 | 1966 | 6.4298467636198 | 1965 | 6.2392805039542 | 1964 | 5.9428440999202 | 1963 | 5.5687734532556 | 1962 | 5.4354091357306 | 1961 | 5.2131352732068 | 1960 | 5.0732653792393 |
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