Year	Number
1996	45.226131439209
1998	46.5
2000	30.348258972168
2002	38.3084564208984
2003	39.8009948730469
2004	42.3076934814453
2005	42.1052627563477
2006	43.5406684875488
2007	13.3971290588379
2008	15.865385055542
2009	7.5829381942749
2010	11.3744077682495
2011	13.1455402374268
2012	14.0845069885254
2013	11.7370891571045
2014	15.865385055542
2015	22.8571434020996
2016	24.2857151031494
2017	23.3333339691162
2018	33.3333320617676
2019	44.2857131958008
2020	40
2021	42.8571434020996
2022	44.3396224975586