Year | Value | 2023 | 163.76679365611 | 2022 | 134.62037962038 | 2021 | 154.01603789105 | 2020 | 131.70795264134 | 2019 | 138.06896650003 | 2018 | 136.12806667313 | 2017 | 135.43698429586 | 2016 | 134.60517667088 | 2015 | 140.21615880268 | 2014 | 135.42955002262 | 2013 | 135.55047391244 | 2012 | 141.93923919885 | 2011 | 141.79411233249 | 2010 | 142.05083734855 | 2009 | 145.31400542109 | 2008 | 138.93674329175 | 2007 | 139.40501318842 | 2006 | 135.68729206029 | 2005 | 138.4990146435 | 2004 | 131.68224451561 | 2003 | 130.78350898086 | 2002 | 137.25975386325 | 2001 | 129.85705060989 | 2000 | 125.76322153392 | 1999 | 123.74308325302 | 1998 | 132.68483054578 | 1997 | 125.6325401496 | 1996 | 131.62051751729 | 1995 | 131.51846569513 | 1994 | 124.67993889273 | 1993 | 127.65534512443 | 1992 | 125.34688749039 | 1991 | 137.65547336242 | 1990 | 131.22536627796 | 1989 | 137.70239473979 | 1988 | 144.01262608055 | 1987 | 133.67884976465 | 1986 | 144.16345654326 | 1985 | 142.10214191028 | 1984 | 136.32377648168 | 1983 | 150.51288503382 | 1982 | 137.03691598712 | 1981 | 141.86991119399 | 1980 | 137.65634019627 | 1979 | 143.72495877034 | 1978 | 139.08308666621 | 1977 | 123.31121353563 | 1976 | 129.69469624229 | 1975 | 129.48827918927 |
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