Year	Number
1996	10
1998	21.8905467987061
2000	18.9054718017578
2002	11.9402980804443
2003	9.45273590087891
2004	11.057692527771
2005	35.0961532592773
2006	41.8269233703613
2007	43.75
2008	41.8269233703613
2009	41.7061614990234
2010	39.8104248046875
2011	38.4976539611816
2012	37.5586853027344
2013	35.6807518005371
2014	38.9162559509277
2015	38.4236450195313
2016	42.8571434020996
2017	47.7832527160645
2018	44.1747589111328
2019	42.9951705932617
2020	43.4782600402832
2021	45.8937187194824
2022	46.3768119812012