Year	Number
1996	31.1827964782715
1998	50.8021392822266
2000	45.2127647399902
2002	47.0899467468262
2003	58.7301597595215
2004	53.2019691467285
2005	58.0487823486328
2006	59.0243911743164
2007	58.2524261474609
2008	57.2815551757813
2009	57.4162673950195
2010	56.1904754638672
2011	58.7677726745605
2012	58.7677726745605
2013	60.6635055541992
2014	61.0576934814453
2015	60.9523811340332
2016	60.9523811340332
2017	62.8571434020996
2018	58.0952377319336
2019	60.476188659668
2020	65.2380981445313
2021	66.6666641235352
2022	66.0377349853516