Year	Number
1996	36.9565200805664
1998	27.7173919677734
2000	41.3043479919434
2002	45.4054069519043
2003	51.8918914794922
2004	56.7164192199707
2005	43.6274528503418
2006	50
2007	53.3980598449707
2008	55.3398056030273
2009	56.9377975463867
2010	54.5454559326172
2011	56.8720397949219
2012	57.3459701538086
2013	58.2938385009766
2014	63.461540222168
2015	56.1904754638672
2016	60.9523811340332
2017	64.2857131958008
2018	61.9047622680664
2019	60.9523811340332
2020	57.6190490722656
2021	59.523811340332
2022	60.3773574829102