Year | Value | 2022 | 120.78399031308 | 2021 | 112.01054978925 | 2020 | 110.61059879198 | 2019 | 110.62435861471 | 2018 | 110.25151180504 | 2017 | 109.16670513499 | 2016 | 107.69280618713 | 2015 | 107.04263236949 | 2014 | 106.5228661622 | 2013 | 106.81998956029 | 2012 | 106.52765990689 | 2011 | 103.65301100431 | 2010 | 100 | 2009 | 98.616827109159 | 2008 | 99.447742856433 | 2007 | 96.938483827326 | 2006 | 94.616624706605 | 2005 | 91.764879250897 | 2004 | 89.721767506933 | 2003 | 87.648561699045 | 2002 | 84.915150718884 | 2001 | 81.964156993363 | 2000 | 78.532368429463 | 1999 | 76.353966557417 | 1998 | 74.608066984593 | 1997 | 72.736731092228 | 1996 | 71.07578732818 | 1995 | 68.959437818029 | 1994 | 66.165394844771 | 1993 | 62.763345252595 | 1992 | 58.77610371533 | 1991 | 53.647773394362 | 1990 | 47.964256419179 | 1989 | 42.210697507608 | 1988 | 37.458587372211 | 1987 | 34.021827517515 | 1986 | 31.031951196128 | 1985 | 27.625374178405 | 1984 | 23.124935639539 | 1983 | 18.012229375357 | 1982 | 14.525667839655 | 1981 | 11.937667115266 | 1980 | 10.028247584485 | 1979 | 8.6549285021856 | 1978 | 7.1000685327945 | 1977 | 5.8659455927732 | 1976 | 4.4772486213545 | 1975 | 3.6958710766751 | 1974 | 3.2062262754024 | 1973 | 2.5632835553251 | 1972 | 2.2689023567469 | 1971 | 2.0502743087243 | 1970 | 1.8314704012897 | 1969 | 1.7216280444717 | 1968 | 1.5826293334564 | 1967 | 1.4919014122017 | 1966 | 1.4137697653196 | 1965 | 1.3459440481221 | 1964 | 1.3013729639901 | 1963 | 1.2580349375215 | 1962 | 1.2331066661459 | 1961 | 1.2011317676135 | 1960 | 1.1828100753861 |
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