Year Number 2006 87.4396133422852 2007 76.8115921020508 2008 94.711540222168 2009 94.7867279052734 2010 85.3080596923828 2011 81.9905242919922 2012 82.9383850097656 2013 75.3554534912109 2014 64.2857131958008 2015 60.9523811340332 2016 65.7142868041992 2017 58.5714302062988 2018 60.8490562438965 2019 60.8490562438965 2020 57.0754699707031 2021 57.5471687316895 2022 56.1320762634277