Year	Number
1996	66
1998	70.6467666625977
2000	72.1393051147461
2002	72.6368179321289
2003	71.6417922973633
2004	62.5
2005	54.3269233703613
2006	57.211540222168
2007	57.211540222168
2008	57.211540222168
2009	56.8720397949219
2010	55.4502372741699
2011	55.3990592956543
2012	56.8075103759766
2013	56.3380279541016
2014	60.0985221862793
2015	60.5911331176758
2016	63.5467987060547
2017	64.0394058227539
2018	62.1359214782715
2019	61.835750579834
2020	59.4202880859375
2021	60.8695640563965
2022	59.9033813476563