Year Number 1996 38.2513656616211 1998 30.0546455383301 2000 26.2295074462891 2002 50.8108100891113 2003 37.8378372192383 2004 9.45273590087891 2005 34.8039207458496 2006 28.2926826477051 2007 6.31067943572998 2008 0.485436886548996 2009 0 2010 2.39234447479248 2011 3.3175356388092 2012 1.42180097103119 2013 2.36966824531555 2014 15.865385055542 2015 17.619047164917 2016 19.0476188659668 2017 33.3333320617676 2018 52.3809509277344 2019 52.3809509277344 2020 49.0476188659668 2021 50.476188659668 2022 50