| Year | Value | | 2022 | 81.324249141048 | | 2021 | 78.97394663784 | | 2020 | 89.312947448502 | | 2019 | 76.248024714718 | | 2018 | 84.705429764355 | | 2017 | 94.24862315702 | | 2016 | 97.121193215652 | | 2015 | 103.37932018766 | | 2014 | 89.942863860919 | | 2013 | 85.317761176882 | | 2012 | 79.919836072949 | | 2011 | 78.642611300967 | | 2010 | 81.037416522769 | | 2009 | 104.93152561409 | | 2008 | 76.414650854772 | | 2007 | 72.248501149044 | | 2006 | 67.689432324203 | | 2005 | 75.538426590267 | | 2004 | 86.819230411507 | | 2003 | 95.258551928605 | | 2002 | 91.131600501965 |
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