Year	Number
1996	51.075267791748
1998	48.6631011962891
2000	50.5319137573242
2002	60.8465614318848
2003	52.9100532531738
2004	46.305419921875
2005	54.1463432312012
2006	50.7317085266113
2007	52.4271850585938
2008	57.2815551757813
2009	57.8947372436523
2010	59.523811340332
2011	47.8672981262207
2012	56.8720397949219
2013	57.3459701538086
2014	59.6153831481934
2015	56.1904754638672
2016	61.4285697937012
2017	63.3333320617676
2018	63.8095245361328
2019	62.3809509277344
2020	61.4285697937012
2021	62.3809509277344
2022	63.6792449951172