Year	Number
1996	46.4480857849121
1998	46.9945373535156
2000	34.4262313842773
2002	29.1891899108887
2003	20.5405406951904
2004	15.4228858947754
2005	15.1960783004761
2006	14.1463413238525
2007	16.019416809082
2008	24.2718448638916
2009	22.4880390167236
2010	34.9282302856445
2011	35.5450248718262
2012	37.4407577514648
2013	37.4407577514648
2014	25
2015	26.6666660308838
2016	32.3809509277344
2017	31.4285717010498
2018	28.0952377319336
2019	35.238094329834
2020	27.619047164917
2021	27.1428565979004
2022	21.698112487793