Year	Number
1996	62.5
1998	65.2173919677734
2000	65.2173919677734
2002	57.2972984313965
2003	52.972972869873
2004	48.756217956543
2005	51.470588684082
2006	54.9019622802734
2007	57.2815551757813
2008	57.2815551757813
2009	55.9808616638184
2010	56.4593315124512
2011	55.9241714477539
2012	60.1895751953125
2013	62.0853080749512
2014	65.3846130371094
2015	64.2857131958008
2016	65.2380981445313
2017	64.2857131958008
2018	62.8571434020996
2019	63.3333320617676
2020	63.8095245361328
2021	67.1428604125977
2022	66.0377349853516