Year	Number
1996	41.9354820251465
1998	41.1764717102051
2000	43.0851058959961
2002	46.0317459106445
2003	53.439151763916
2004	38.9162559509277
2005	44.3902435302734
2006	48.7804870605469
2007	49.5145645141602
2008	52.4271850585938
2009	45.9330139160156
2010	50.476188659668
2011	51.6587677001953
2012	43.1279602050781
2013	39.8104248046875
2014	31.730770111084
2015	31.9047622680664
2016	40.9523811340332
2017	35.238094329834
2018	31.4285717010498
2019	34.2857131958008
2020	32.8571434020996
2021	28.5714282989502
2022	22.1698112487793