Year | Value | 2022 | 146.77028867175 | 2021 | 145.25236079634 | 2020 | 145.21394536963 | 2019 | 144.04514789829 | 2018 | 140.18729065434 | 2017 | 136.09826862292 | 2016 | 134.44709156956 | 2015 | 131.33580223616 | 2014 | 125.6073972732 | 2013 | 118.44364768599 | 2012 | 112.26824550644 | 2011 | 105.80624616691 | 2010 | 100 | 2009 | 97.267301976695 | 2008 | 96.143322168231 | 2007 | 88.520781242629 | 2006 | 83.84912959381 | 2005 | 79.742416379676 | 2004 | 76.384629900457 | 2003 | 75.642779638628 | 2002 | 76.843421238855 | 2001 | 78.925083738265 | 2000 | 80.523187243478 | 1999 | 81.84059064962 | 1998 | 84.549700429306 | 1997 | 84.403993490752 | 1996 | 81.556893592802 | 1995 | 77.804768907494 | 1994 | 71.670712015395 | 1993 | 67.453474323809 | 1992 | 63.214389712644 | 1991 | 58.687297542049 | 1990 | 53.562013954829 | 1989 | 49.608378099506 | 1988 | 45.608115156577 |
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