Year	Number
1996	55.4347839355469
1998	64.1304321289063
2000	63.0434799194336
2002	55.6756744384766
2003	59.4594612121582
2004	63.1840782165527
2005	55.3921585083008
2006	60.7843132019043
2007	61.1650466918945
2008	62.1359214782715
2009	61.2440185546875
2010	57.8947372436523
2011	61.1374397277832
2012	58.2938385009766
2013	57.3459701538086
2014	55.288459777832
2015	56.1904754638672
2016	56.6666679382324
2017	57.6190490722656
2018	56.6666679382324
2019	57.1428565979004
2020	60.476188659668
2021	57.6190490722656
2022	57.0754699707031