Year	Number
1996	34.9726791381836
1998	18.5792350769043
2000	22.9508190155029
2002	29.1891899108887
2003	21.0810813903809
2004	14.4278602600098
2005	24.0196075439453
2006	21.9512195587158
2007	16.019416809082
2008	16.5048542022705
2009	17.2248802185059
2010	13.8755979537964
2011	16.5876770019531
2012	21.8009471893311
2013	22.274881362915
2014	19.230770111084
2015	22.8571434020996
2016	30
2017	23.8095245361328
2018	22.8571434020996
2019	26.1904754638672
2020	26.6666660308838
2021	36.1904754638672
2022	32.5471687316895