Year	Number
1996	55.1912574768066
1998	65.0273208618164
2000	65.0273208618164
2002	60.5405387878418
2003	65.9459457397461
2004	68.1592025756836
2005	50.4901962280273
2006	56.0975608825684
2007	65.0485458374023
2008	59.2233009338379
2009	59.3301429748535
2010	62.6794242858887
2011	62.5592422485352
2012	62.0853080749512
2013	61.1374397277832
2014	58.6538467407227
2015	54.761905670166
2016	58.0952377319336
2017	57.6190490722656
2018	59.523811340332
2019	53.8095245361328
2020	52.8571434020996
2021	60
2022	61.3207550048828