Year	Number
1996	37.7659568786621
1998	51.5957450866699
2000	30.6878299713135
2002	27.5132274627686
2003	30.6532669067383
2004	27.1844654083252
2005	33.009708404541
2006	25.1207733154297
2007	26.57004737854
2008	25
2009	24.6445503234863
2010	30.3317527770996
2011	32.2274894714355
2012	30.3317527770996
2013	30.3317527770996
2014	40.9523811340332
2015	41.4285697937012
2016	45.7142868041992
2017	45.238094329834
2018	39.6226425170898
2019	38.6792449951172
2020	42.9245300292969
2021	41.9811325073242
2022	47.1698112487793