Year	Number
1996	53.8043479919434
1998	48.3695640563965
2000	58.6956520080566
2002	63.2432441711426
2003	64.3243255615234
2004	65.6716384887695
2005	65.1960754394531
2006	63.7254905700684
2007	67.4757308959961
2008	62.6213607788086
2009	68.4210510253906
2010	69.3779907226563
2011	73.459716796875
2012	68.2464447021484
2013	72.0379180908203
2014	75.961540222168
2015	75.2380981445313
2016	75.2380981445313
2017	75.7142868041992
2018	75.2380981445313
2019	74.2857131958008
2020	72.8571395874023
2021	73.3333358764648
2022	75.4716949462891