Year	Number
1996	59.2964820861816
1998	60
2000	60.1990051269531
2002	61.6915435791016
2003	62.6865653991699
2004	57.211540222168
2005	57.4162673950195
2006	59.3301429748535
2007	59.3301429748535
2008	58.6538467407227
2009	63.9810409545898
2010	64.9289093017578
2011	64.3192520141602
2012	62.9107971191406
2013	61.5023460388184
2014	69.711540222168
2015	67.6190490722656
2016	61.9047622680664
2017	60.9523811340332
2018	61.9047622680664
2019	61.9047622680664
2020	63.8095245361328
2021	64.7619018554688
2022	66.0377349853516