Year	Number
1996	62.2950820922852
1998	57.9234962463379
2000	59.0163917541504
2002	61.0810813903809
2003	60.5405387878418
2004	56.7164192199707
2005	60.294116973877
2006	57.5609741210938
2007	59.2233009338379
2008	57.7669906616211
2009	62.2009582519531
2010	62.6794242858887
2011	61.1374397277832
2012	59.2417068481445
2013	57.3459701538086
2014	57.6923065185547
2015	56.1904754638672
2016	60
2017	55.238094329834
2018	59.0476188659668
2019	63.8095245361328
2020	63.8095245361328
2021	66.6666641235352
2022	64.6226425170898