Year | Value | 2022 | 134.89862280031 | 2021 | 129.06465187452 | 2020 | 128.86381025249 | 2019 | 132.29724560061 | 2018 | 129.99234889059 | 2017 | 124.8947972456 | 2016 | 120.84927314461 | 2015 | 116.35424636572 | 2014 | 114.77620504973 | 2013 | 114.18324407039 | 2012 | 110.9506503443 | 2011 | 107.27811782708 | 2010 | 100 | 2009 | 96.442234123948 | 2008 | 93.514269077261 | 2007 | 86.80246098065 | 2006 | 82.823846552267 | 2005 | 80.810977323695 | 2004 | 78.94336323103 | 2003 | 76.772628526467 | 2002 | 73.697421028337 | 2001 | 73.140070225814 | 2000 | 70.143087401721 | 1999 | 69.385285871975 | 1998 | 68.045688329069 | 1997 | 64.369128649269 | 1996 | 62.271729576617 | 1995 | 60.428560694589 | 1994 | 59.147631657212 | 1993 | 58.668505528728 | 1992 | 55.765048506822 | 1991 | 53.168803742421 | 1990 | 49.925003729359 | 1989 | 46.145088208103 | 1988 | 43.455475012499 | 1987 | 38.883433768462 | 1986 | 36.799209433235 | 1985 | 36.148946820193 | 1984 | 34.618473655875 | 1983 | 32.878785563924 | 1982 | 30.813023755972 | 1981 | 28.78872796975 | 1980 | 25.893645727922 | 1979 | 22.615945194981 | 1978 | 20.978225820163 | 1977 | 19.770622179317 | 1976 | 18.476128374833 | 1975 | 16.580565737719 | 1974 | 14.664647053593 | 1973 | 12.80772320942 | 1972 | 11.529627331697 | 1971 | 9.4521796448849 | 1970 | 8.6607440763019 | 1969 | 8.3177069877519 |
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