Year	Number
1996	35.5
1998	41.7910461425781
2000	33.8308448791504
2002	22.3880596160889
2003	27.8606967926025
2004	24.519229888916
2005	24.519229888916
2006	32.6923065185547
2007	33.6538467407227
2008	33.6538467407227
2009	36.0189590454102
2010	34.5971565246582
2011	32.3943672180176
2012	34.7417831420898
2013	36.1502342224121
2014	38.9162559509277
2015	39.4088668823242
2016	38.9162559509277
2017	37.9310340881348
2018	36.4077682495117
2019	35.7487907409668
2020	38.6473426818848
2021	41.062801361084
2022	41.5458946228027