Year | Value | 2022 | 90.413609972683 | 2021 | 89.689320025899 | 2020 | 89.211546085271 | 2019 | 89.716437864203 | 2018 | 90.64173139731 | 2017 | 92.05104567761 | 2016 | 92.914821674668 | 2015 | 94.791324898131 | 2014 | 95.366775824418 | 2013 | 95.613663050259 | 2012 | 86.224851866078 | 2011 | 88.737753164676 | 2010 | 88.285211835493 | 2009 | 84.995637511407 | 2008 | 88.580665750733 | 2007 | 84.47138688117 | 2006 | 82.926335086646 | 2005 | 87.265695320813 | 2004 | 86.328228624037 | 2003 | 86.277624943586 | 2002 | 85.908618158256 | 2001 | 87.086412421675 | 2000 | 93.289736965317 | 1999 | 91.631227003192 | 1998 | 87.866128603176 | 1997 | 88.449432301273 | 1996 | 95.277457073333 | 1995 | 95.834752548683 | 1994 | 96.744712478875 | 1993 | 100.0391486559 | 1992 | 99.096189368095 | 1991 | 99.683076459459 | 1990 | 95.582849972748 | 1989 | 91.856167835324 | 1988 | 99.164688946225 | 1987 | 94.781432313892 | 1986 | 103.83058967681 | 1985 | 112.8587863793 | 1984 | 117.81459958822 | 1983 | 116.1566222958 | 1982 | 115.37829774051 | 1981 | 115.50310434767 | 1980 | 114.41686585154 | 1979 | 99.364578766011 | 1978 | 102.12007451244 | 1977 | 90.401820523213 | 1976 | 95.796535806582 | 1975 | 103.96878452206 | 1974 | 115.12743301576 | 1973 | 94.945756894797 | 1972 | 92.099296461696 | 1971 | 90.125892009481 | 1970 | 89.624928085735 | 1969 | 89.787488155272 | 1968 | 90.04898083137 | 1967 | 94.55601893197 |
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