Year	Number
1996	36.9565200805664
1998	42.9347839355469
2000	31.5217399597168
2002	36.2162170410156
2003	38.9189186096191
2004	20.8955230712891
2005	43.1372566223145
2006	25
2007	21.8446598052979
2008	17.9611644744873
2009	22.0095691680908
2010	22.4880390167236
2011	22.274881362915
2012	20.3791465759277
2013	16.1137447357178
2014	10.5769233703613
2015	11.9047622680664
2016	10.4761905670166
2017	10.4761905670166
2018	8.5714282989502
2019	8.09523773193359
2020	9.5238094329834
2021	9.5238094329834
2022	13.6792449951172