Year | Value | 2022 | 130.95371301295 | 2021 | 125.63767156912 | 2020 | 124.28678917928 | 2019 | 122.62792628645 | 2018 | 119.67837195315 | 2017 | 114.25244723241 | 2016 | 111.30083172528 | 2015 | 109.00442767773 | 2014 | 109.37498486415 | 2013 | 104.47464597723 | 2012 | 103.94924381854 | 2011 | 101.26331707837 | 2010 | 100 | 2009 | 98.559509377452 | 2008 | 96.735363331669 | 2007 | 91.897596805249 | 2006 | 87.49625615061 | 2005 | 88.747058404051 | 2004 | 85.573700349426 | 2003 | 85.225804093807 | 2002 | 83.362360944593 | 2001 | 83.331792435341 | 2000 | 81.587755819415 | 1999 | 81.177872484693 | 1998 | 82.781012871363 | 1997 | 81.59885875399 | 1996 | 78.4804762127 | 1995 | 77.942909130367 | 1994 | 71.085613370994 | 1993 | 52.224194847101 | 1992 | 51.946929897579 | 1991 | 57.42715335482 | 1990 | 65.026186826764 | 1989 | 60.362954305323 | 1988 | 56.550946767954 | 1987 | 61.991384709636 | 1986 | 62.583541220295 | 1985 | 58.882563028675 | 1984 | 54.848496799809 | 1983 | 51.813694682681 | 1982 | 46.817374123994 | 1981 | 40.122598787444 | 1980 | 36.909106625908 | 1979 | 32.854716568617 | 1978 | 30.434363395927 | 1977 | 27.47672252124 | 1976 | 24.133599041069 | 1975 | 20.082620334284 | 1974 | 15.634223647955 | 1973 | 13.950060196633 | 1972 | 13.134766686308 | 1971 | 12.692178780672 | 1970 | 12.220085014716 | 1969 | 11.771285349032 | 1968 | 11.431191484725 | 1967 | 11.170297561444 | 1966 | 10.953662428693 | 1965 | 10.568533303769 | 1964 | 10.316957020598 | 1963 | 9.9846278563738 | 1962 | 9.3176401180043 |
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