Year | Value | 2022 | 141.80724658941 | 2021 | 123.92548041661 | 2020 | 117.96244682412 | 2019 | 114.11177937509 | 2018 | 111.62534839372 | 2017 | 109.63767052956 | 2016 | 107.40795071146 | 2015 | 108.12674196861 | 2014 | 109.08024057503 | 2013 | 109.02156373771 | 2012 | 107.95071145665 | 2011 | 104.23940149626 | 2010 | 100 | 2009 | 97.484230599971 | 2008 | 93.919612732874 | 2007 | 90.164295144492 | 2006 | 88.000586768373 | 2005 | 86.884388293971 | 2004 | 85.027557576647 | 2003 | 82.245483350448 | 2002 | 81.687799618601 | 2001 | 80.160515622708 | 2000 | 76.047605985038 | 1999 | 69.196983277101 | 1998 | 64.57709109579 | 1997 | 57.865888954085 | 1996 | 50.356190406337 | 1995 | 42.03531392108 | 1994 | 32.852565644712 | 1993 | 24.702797418219 | 1992 | 18.035956432448 | 1991 | 12.345060877219 | 1990 | 6.9837052955846 | 1989 | 1.0456545841279 | 1988 | 0.30348331234209 | 1987 | 0.1912057244499 | 1986 | 0.15129545439402 | 1985 | 0.12981166512999 | 1984 | 0.11640082283171 | 1983 | 0.10086639059464 | 1982 | 0.080349371847486 | 1981 | 0.039472331274726 | 1980 | 0.033134613441836 | 1979 | 0.03020951290358 | 1978 | 0.028226393894592 | 1977 | 0.026111066951672 | 1976 | 0.024890726997434 | 1975 | 0.023838709795505 | 1974 | 0.02331270119454 | 1973 | 0.021776756079934 | 1972 | 0.021250747478969 | 1971 | 0.021271787822797 | 1970 | 0.021040344038583 |
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