Year	Number
1996	62.5
1998	70.6521759033203
2000	65.2173919677734
2002	60.5405387878418
2003	56.7567558288574
2004	63.6815910339355
2005	53.9215698242188
2006	57.8431358337402
2007	65.0485458374023
2008	66.019416809082
2009	69.8564605712891
2010	72.7272720336914
2011	75.3554534912109
2012	68.2464447021484
2013	67.7725143432617
2014	69.2307662963867
2015	65.7142868041992
2016	64.7619018554688
2017	60.9523811340332
2018	63.3333320617676
2019	62.8571434020996
2020	60.476188659668
2021	50.9523811340332
2022	47.6415100097656