Year	Number
1996	9.04255294799805
1998	13.8297872543335
2000	19.5767192840576
2002	36.5079383850098
2003	29.1457290649414
2004	21.8446598052979
2005	21.8446598052979
2006	18.8405799865723
2007	34.2995185852051
2008	30.2884616851807
2009	27.014217376709
2010	26.0663509368896
2011	28.4360198974609
2012	20.3791465759277
2013	21.8009471893311
2014	30.9523811340332
2015	26.6666660308838
2016	30.4761905670166
2017	33.8095245361328
2018	33.0188674926758
2019	43.3962249755859
2020	44.3396224975586
2021	36.7924537658691
2022	35.8490562438965