Year	Number
1996	63.3165817260742
1998	64
2000	62.6865653991699
2002	63.1840782165527
2003	59.2039794921875
2004	57.211540222168
2005	57.4162673950195
2006	55.9808616638184
2007	57.4162673950195
2008	58.6538467407227
2009	63.5071105957031
2010	64.9289093017578
2011	66.6666641235352
2012	67.6056365966797
2013	69.4835662841797
2014	74.038459777832
2015	70.9523773193359
2016	62.3809509277344
2017	58.5714302062988
2018	57.6190490722656
2019	57.6190490722656
2020	60.476188659668
2021	56.6666679382324
2022	56.6037750244141