Year	Number
1996	46.2765960693359
1998	51.0638313293457
2000	40.7407417297363
2002	51.3227500915527
2003	52.2613067626953
2004	44.6601943969727
2005	50.970874786377
2006	61.835750579834
2007	55.5555572509766
2008	57.211540222168
2009	68.7203826904297
2010	58.2938385009766
2011	58.2938385009766
2012	59.2417068481445
2013	38.3886260986328
2014	32.3809509277344
2015	27.619047164917
2016	12.8571424484253
2017	16.1904754638672
2018	18.3962268829346
2019	19.8113212585449
2020	10.8490562438965
2021	10.8490562438965
2022	11.3207550048828