Year	Number
1996	57.5268821716309
1998	52.4064178466797
2000	52.6595726013184
2002	49.7354507446289
2003	53.9682540893555
2004	50.2463035583496
2005	35.1219520568848
2006	42.926830291748
2007	51.4563102722168
2008	49.5145645141602
2009	44.4976081848145
2010	42.8571434020996
2011	45.497631072998
2012	33.1753540039063
2013	39.3364944458008
2014	43.269229888916
2015	47.6190490722656
2016	47.6190490722656
2017	43.8095245361328
2018	50.9523811340332
2019	52.8571434020996
2020	60
2021	58.0952377319336
2022	58.9622650146484