| Year | Value | | 2022 | 130.78838242017 | | 2021 | 123.25148566577 | | 2020 | 117.34564845454 | | 2019 | 116.1914755109 | | 2018 | 113.81587539999 | | 2017 | 112.37428981911 | | 2016 | 110.27395023836 | | 2015 | 109.35969437733 | | 2014 | 110.46627295411 | | 2013 | 109.53236659187 | | 2012 | 107.48873506171 | | 2011 | 104.97773563707 | | 2010 | 100 | | 2009 | 96.400987161273 | | 2008 | 93.636554267165 | | 2007 | 86.618688970312 | | 2006 | 77.200151282351 | | 2005 | 72.368024044802 | | 2004 | 67.680763630513 | | 2003 | 64.662038216807 | | 2002 | 61.012871697582 | | 2001 | 57.919388353877 | | 2000 | 56.436566586472 | | 1999 | 53.16753750533 | | 1998 | 49.440596843344 | | 1997 | 47.272461395865 | | 1996 | 45.649321743926 | | 1995 | 42.625187465406 | | 1994 | 37.986799335963 |
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