Year	Number
1996	50.5376358032227
1998	49.7326202392578
2000	54.2553176879883
2002	46.0317459106445
2003	58.7301597595215
2004	57.6354675292969
2005	60.9756088256836
2006	59.0243911743164
2007	57.7669906616211
2008	59.2233009338379
2009	59.3301429748535
2010	60
2011	57.8199043273926
2012	54.028434753418
2013	54.028434753418
2014	54.3269233703613
2015	53.8095245361328
2016	54.761905670166
2017	53.3333320617676
2018	56.6666679382324
2019	53.3333320617676
2020	59.0476188659668
2021	54.2857131958008
2022	53.7735862731934