Year	Number
1996	41
1998	41.7910461425781
2000	35.8208961486816
2002	36.8159217834473
2003	33.3333320617676
2004	25.9615383148193
2005	29.8076915740967
2006	38.461540222168
2007	41.8269233703613
2008	40.3846168518066
2009	39.8104248046875
2010	37.4407577514648
2011	38.0281677246094
2012	39.9061050415039
2013	41.3145523071289
2014	39.4088668823242
2015	40.3940887451172
2016	43.8423652648926
2017	42.3645324707031
2018	38.3495140075684
2019	40.0966186523438
2020	39.1304359436035
2021	38.6473426818848
2022	38.6473426818848