Year	Number
1996	58.2914581298828
1998	50
2000	49.2537307739258
2002	57.2139320373535
2003	57.7114410400391
2004	57.6923065185547
2005	57.4162673950195
2006	58.3732070922852
2007	56.4593315124512
2008	53.8461532592773
2009	58.2938385009766
2010	60.1895751953125
2011	60.5633811950684
2012	58.6854476928711
2013	55.3990592956543
2014	65.3846130371094
2015	60.476188659668
2016	57.6190490722656
2017	58.0952377319336
2018	60.9523811340332
2019	59.0476188659668
2020	61.4285697937012
2021	58.0952377319336
2022	58.0188674926758