| Year | Value | | 2022 | 84.350907621642 | | 2021 | 89.444065655368 | | 2020 | 94.552854404807 | | 2019 | 89.038592839579 | | 2018 | 85.677474766698 | | 2017 | 89.476410076418 | | 2016 | 94.002753179345 | | 2015 | 93.258455891554 | | 2014 | 84.962427846096 | | 2013 | 84.639551252737 | | 2012 | 81.688014412913 | | 2011 | 75.665210581149 | | 2010 | 81.566375896569 | | 2009 | 88.60031020164 | | 2008 | 82.106790271517 | | 2007 | 91.682033190571 | | 2006 | 89.80333847047 | | 2005 | 92.075267895719 | | 2004 | 91.458609388204 | | 2003 | 91.446357052259 | | 2002 | 93.496237683604 | | 2001 | 98.202675800753 | | 2000 | 92.102404952557 | | 1999 | 101.72705453622 | | 1998 | 99.859865508043 | | 1997 | 98.496252562207 | | 1996 | 96.357110299935 | | 1995 | 108.00538360662 | | 1994 | 117.04134991763 | | 1993 | 104.79589166335 |
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