Year	Number
1996	61.3065338134766
1998	51
2000	51.243782043457
2002	47.2636833190918
2003	48.2587051391602
2004	50.961540222168
2005	54.5454559326172
2006	60.7655487060547
2007	59.3301429748535
2008	58.6538467407227
2009	60.6635055541992
2010	61.1374397277832
2011	61.5023460388184
2012	61.0328636169434
2013	60.0938949584961
2014	66.3461532592773
2015	62.8571434020996
2016	52.3809509277344
2017	55.7142868041992
2018	57.1428565979004
2019	57.6190490722656
2020	55.7142868041992
2021	53.3333320617676
2022	54.7169799804688