Year	Number
1996	43.0107536315918
1998	49.7326202392578
2000	43.6170196533203
2002	36.5079383850098
2003	40.7407417297363
2004	37.9310340881348
2005	44.8780479431152
2006	47.3170738220215
2007	41.262134552002
2008	43.6893196105957
2009	39.2344512939453
2010	39.0476188659668
2011	35.5450248718262
2012	36.4928894042969
2013	36.9668235778809
2014	39.9038467407227
2015	42.8571434020996
2016	43.8095245361328
2017	45.7142868041992
2018	47.6190490722656
2019	44.761905670166
2020	45.238094329834
2021	45.238094329834
2022	44.3396224975586