Year	Number
1996	58.152172088623
1998	57.0652160644531
2000	58.6956520080566
2002	45.4054069519043
2003	44.8648643493652
2004	34.825870513916
2005	24.5098037719727
2006	37.2549018859863
2007	47.0873794555664
2008	38.8349533081055
2009	43.0622024536133
2010	42.1052627563477
2011	42.6540298461914
2012	45.0236968994141
2013	45.0236968994141
2014	51.4423065185547
2015	44.2857131958008
2016	43.8095245361328
2017	39.523811340332
2018	45.238094329834
2019	44.761905670166
2020	39.523811340332
2021	34.761905670166
2022	40.0943412780762