Year	Number
1996	2.01005029678345
1998	2.5
2000	9.45273590087891
2002	5.47263669967651
2003	8.4577112197876
2004	16.3461532592773
2005	16.7464122772217
2006	27.2727279663086
2007	34.4497604370117
2008	36.538459777832
2009	41.7061614990234
2010	41.2322273254395
2011	44.6009407043457
2012	49.2957763671875
2013	48.3568077087402
2014	57.6923065185547
2015	56.6666679382324
2016	55.7142868041992
2017	53.3333320617676
2018	54.2857131958008
2019	52.8571434020996
2020	53.3333320617676
2021	50.476188659668
2022	50