Year | Value | 2022 | 139.0094396319 | 2021 | 133.68779685455 | 2020 | 129.26233350325 | 2019 | 126.60151211458 | 2018 | 125.23414556762 | 2017 | 124.5576317808 | 2016 | 121.90995124749 | 2015 | 118.13163177517 | 2014 | 114.38915973616 | 2013 | 111.15572125036 | 2012 | 108.25207915113 | 2011 | 104.83940349871 | 2010 | 100 | 2009 | 95.697074010327 | 2008 | 91.480206540447 | 2007 | 82.725596720369 | 2006 | 78.424075521212 | 2005 | 76.09775690196 | 2004 | 73.070465185832 | 2003 | 72.169383923901 | 2002 | 71.482189683548 | 2001 | 70.852698776355 | 2000 | 69.94343413263 | 1999 | 68.69797681449 | 1998 | 66.703016099078 | 1997 | 66.616642101624 | 1996 | 66.165268308472 | 1995 | 63.894468052801 | 1994 | 62.222713263351 | 1993 | 60.684698857056 | 1992 | 60.453439444516 | 1991 | 60.785004144423 | 1990 | 55.736304680283 | 1989 | 50.746116633773 | 1988 | 49.105010682129 | 1987 | 48.394514896612 | 1986 | 48.079667744599 | 1985 | 47.625507693186 | 1984 | 46.926156939711 | 1983 | 46.380050375157 | 1982 | 44.290356888288 | 1981 | 41.094518982511 | 1980 | 38.272039646322 | 1979 | 35.792270041886 | 1978 | 33.435095789012 | 1977 | 30.761959880624 | 1976 | 27.993533949336 | 1975 | 26.600962209654 | 1974 | 24.541360309062 | 1973 | 21.719438224463 | 1972 | 20.061057473457 |
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