Year	Number
1996	53.7634391784668
1998	54.5454559326172
2000	52.6595726013184
2002	46.0317459106445
2003	50.7936515808105
2004	49.7536964416504
2005	52.1951217651367
2006	55.1219520568848
2007	52.4271850585938
2008	53.3980598449707
2009	49.7607650756836
2010	50.9523811340332
2011	47.8672981262207
2012	46.9194297790527
2013	46.9194297790527
2014	50
2015	51.4285697937012
2016	53.3333320617676
2017	53.3333320617676
2018	55.7142868041992
2019	52.8571434020996
2020	52.8571434020996
2021	50.476188659668
2022	51.886791229248