Year	Number
1996	30.6532669067383
1998	41
2000	45.2736320495605
2002	45.7711448669434
2003	41.2935333251953
2004	37.980770111084
2005	40.1913871765137
2006	26.7942581176758
2007	27.7511959075928
2008	32.6923065185547
2009	37.4407577514648
2010	39.8104248046875
2011	43.1924896240234
2012	42.7230033874512
2013	38.4976539611816
2014	36.538459777832
2015	32.8571434020996
2016	30.4761905670166
2017	25.238094329834
2018	24.2857151031494
2019	24.2857151031494
2020	26.6666660308838
2021	24.761905670166
2022	22.1698112487793