Year	Number
1996	59.2964820861816
1998	50.5
2000	51.7412948608398
2002	51.243782043457
2003	53.7313423156738
2004	47.5961532592773
2005	44.0191383361816
2006	42.1052627563477
2007	51.1961708068848
2008	55.769229888916
2009	63.5071105957031
2010	63.5071105957031
2011	65.2582168579102
2012	64.3192520141602
2013	60.0938949584961
2014	61.538459777832
2015	58.5714302062988
2016	58.0952377319336
2017	61.9047622680664
2018	61.9047622680664
2019	60.476188659668
2020	70.9523773193359
2021	68.5714263916016
2022	69.3396224975586