Year	Number
2003	52.7638206481934
2004	69.4174728393555
2005	68.4466018676758
2006	68.1159439086914
2007	72.4637680053711
2008	71.6346130371094
2009	78.6729888916016
2010	78.1990509033203
2011	68.7203826904297
2012	70.1421813964844
2013	67.7725143432617
2014	76.6666641235352
2015	79.0476226806641
2016	78.5714263916016
2017	70.476188659668
2018	78.7735824584961
2019	66.9811325073242
2020	71.2264175415039
2021	71.698112487793
2022	72.6415100097656