Year	Number
1996	77.6595764160156
1998	76.5957412719727
2000	82.539680480957
2002	53.9682540893555
2003	46.7336692810059
2004	37.3786392211914
2005	43.6893196105957
2006	60.8695640563965
2007	57.0048294067383
2008	66.8269195556641
2009	61.6113739013672
2010	60.6635055541992
2011	64.4549789428711
2012	66.3507080078125
2013	66.8246459960938
2014	65.7142868041992
2015	66.6666641235352
2016	59.0476188659668
2017	55.7142868041992
2018	58.9622650146484
2019	52.3584899902344
2020	47.6415100097656
2021	46.698112487793
2022	45.2830200195313