Year	Number
2008	55.3398056030273
2009	51.1961708068848
2010	47.3684196472168
2011	46.445499420166
2012	42.6540298461914
2013	45.0236968994141
2014	65.3846130371094
2015	71.4285736083984
2016	79.523811340332
2017	75.2380981445313
2018	79.0476226806641
2019	86.1904754638672
2020	89.523811340332
2021	86.1904754638672
2022	83.4905624389648