Year	Number
1996	61.9565200805664
1998	59.2391319274902
2000	51.0869560241699
2002	50.2702713012695
2003	55.1351356506348
2004	48.2587051391602
2005	48.0392150878906
2006	50
2007	49.029125213623
2008	44.6601943969727
2009	34.9282302856445
2010	33.0143547058105
2011	34.1232223510742
2012	32.7014236450195
2013	30.8056869506836
2014	32.211540222168
2015	33.8095245361328
2016	34.2857131958008
2017	34.761905670166
2018	34.2857131958008
2019	36.1904754638672
2020	37.1428565979004
2021	41.4285697937012
2022	40.5660362243652