Year	Number
1996	43.7185935974121
1998	42.5
2000	33.3333320617676
2002	39.8009948730469
2003	44.7761192321777
2004	39.9038467407227
2005	43.5406684875488
2006	51.1961708068848
2007	51.6746406555176
2008	51.9230766296387
2009	49.2891006469727
2010	49.7630348205566
2011	50.7042236328125
2012	51.1737098693848
2013	52.1126747131348
2014	49.519229888916
2015	50.476188659668
2016	52.8571434020996
2017	51.4285697937012
2018	50.9523811340332
2019	50
2020	49.523811340332
2021	47.6190490722656
2022	47.6415100097656