| Year | Value | | 2023 | 91.981132507324 | | 2022 | 94.339622497559 | | 2021 | 94.285713195801 | | 2020 | 93.333335876465 | | 2019 | 95.714286804199 | | 2018 | 94.761901855469 | | 2017 | 96.666664123535 | | 2016 | 94.761901855469 | | 2015 | 94.761901855469 | | 2014 | 95.673080444336 | | 2013 | 96.682464599609 | | 2012 | 95.260665893555 | | 2011 | 96.208534240723 | | 2010 | 95.693778991699 | | 2009 | 95.693778991699 | | 2008 | 95.145629882812 | | 2007 | 94.660194396973 | | 2006 | 97.560974121094 | | 2005 | 97.058822631836 | | 2004 | 95.024871826172 | | 2003 | 96.216217041016 | | 2002 | 94.594596862793 | | 2000 | 95.081970214844 | | 1998 | 95.081970214844 | | 1996 | 93.44261932373 |
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