Year	Number
1996	55.7377052307129
1998	50.8196716308594
2000	53.5519142150879
2002	63.7837829589844
2003	61.0810813903809
2004	63.1840782165527
2005	60.294116973877
2006	56.0975608825684
2007	52.4271850585938
2008	58.2524261474609
2009	63.1578941345215
2010	61.2440185546875
2011	61.1374397277832
2012	62.5592422485352
2013	64.9289093017578
2014	57.6923065185547
2015	54.2857131958008
2016	55.238094329834
2017	56.6666679382324
2018	59.523811340332
2019	59.523811340332
2020	55.238094329834
2021	57.1428565979004
2022	57.5471687316895