Year	Number
2005	37.2549018859863
2006	28.2926826477051
2007	18.4466018676758
2008	37.3786392211914
2009	38.2775115966797
2010	42.5837326049805
2011	42.6540298461914
2012	44.0758285522461
2013	46.445499420166
2014	47.5961532592773
2015	46.1904754638672
2016	42.3809509277344
2017	43.3333320617676
2018	40
2019	38.5714302062988
2020	32.8571434020996
2021	33.8095245361328
2022	33.0188674926758