Year	Number
1996	62.2950820922852
1998	59.0163917541504
2000	59.0163917541504
2002	58.9189186096191
2003	56.2162170410156
2004	39.3034820556641
2005	53.9215698242188
2006	49.7560958862305
2007	51.9417457580566
2008	51.9417457580566
2009	58.8516731262207
2010	62.6794242858887
2011	63.9810409545898
2012	60.1895751953125
2013	57.8199043273926
2014	50
2015	53.8095245361328
2016	58.0952377319336
2017	59.523811340332
2018	47.1428565979004
2019	42.8571434020996
2020	45.7142868041992
2021	58.5714302062988
2022	57.0754699707031