Year	Number
1996	66.4893646240234
1998	43.6170196533203
2000	49.7354507446289
2002	66.137565612793
2003	62.8140716552734
2004	57.2815551757813
2005	64.5631103515625
2006	54.1062812805176
2007	49.2753639221191
2008	48.5576934814453
2009	42.6540298461914
2010	51.1848335266113
2011	49.2891006469727
2012	44.0758285522461
2013	47.3933639526367
2014	57.6190490722656
2015	56.6666679382324
2016	49.523811340332
2017	51.4285697937012
2018	55.1886787414551
2019	53.7735862731934
2020	51.886791229248
2021	49.0566024780273
2022	51.886791229248