Year	Number
1996	32.2580642700195
1998	34.2245979309082
2000	33.5106391906738
2002	25.3968257904053
2003	30.6878299713135
2004	34.4827575683594
2005	40
2006	40.4878044128418
2007	41.7475738525391
2008	51.9417457580566
2009	53.5885162353516
2010	54.761905670166
2011	54.9763031005859
2012	55.9241714477539
2013	56.3981056213379
2014	55.288459777832
2015	49.523811340332
2016	46.6666679382324
2017	43.8095245361328
2018	40.9523811340332
2019	36.6666679382324
2020	34.761905670166
2021	41.9047622680664
2022	43.8679237365723