Year	Number
1996	42.2110557556152
1998	39.5
2000	33.3333320617676
2002	37.8109436035156
2003	41.2935333251953
2004	39.9038467407227
2005	23.4449768066406
2006	14.3540668487549
2007	12.9186601638794
2008	11.057692527771
2009	13.7440757751465
2010	14.2180099487305
2011	16.9014091491699
2012	19.7183094024658
2013	19.2488269805908
2014	27.4038467407227
2015	23.8095245361328
2016	23.8095245361328
2017	26.6666660308838
2018	26.1904754638672
2019	26.1904754638672
2020	23.8095245361328
2021	21.4285717010498
2022	19.8113212585449