| Year | Value | | 2021 | 95.120099217284 | | 2020 | 98.347621468315 | | 2019 | 55.085318100421 | | 2018 | 55.940455093343 | | 2017 | 54.593444772899 | | 2016 | 57.328087531256 | | 2015 | 56.930229072379 | | 2014 | 53.324559440476 | | 2013 | 54.023013552215 | | 2012 | 51.217721879103 | | 2011 | 44.829375461243 | | 2010 | 54.972492663848 | | 2009 | 46.607400732432 | | 2008 | 46.868538330477 | | 2007 | 47.450960132123 | | 2006 | 47.765611760684 | | 2005 | 39.342325430362 | | 2004 | 31.923367794779 | | 2003 | 26.528665398299 | | 2002 | 12.734828148148 |
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