Year	Number
1996	42.4731178283691
1998	47.5935821533203
2000	38.8297882080078
2002	33.862434387207
2003	37.5661392211914
2004	25.6157627105713
2005	26.8292675018311
2006	36.5853652954102
2007	34.4660186767578
2008	34.4660186767578
2009	33.9712905883789
2010	30.9523811340332
2011	31.7535552978516
2012	39.8104248046875
2013	42.1800956726074
2014	51.4423065185547
2015	46.6666679382324
2016	49.0476188659668
2017	47.1428565979004
2018	50.9523811340332
2019	56.1904754638672
2020	49.523811340332
2021	47.6190490722656
2022	31.6037731170654