Year	Number
2002	46.4864883422852
2003	44.8648643493652
2004	54.2288551330566
2005	34.3137245178223
2006	22.4390239715576
2007	26.2135925292969
2008	30.5825233459473
2009	22.9665069580078
2010	21.0526313781738
2011	23.222749710083
2012	23.222749710083
2013	21.3270149230957
2014	19.7115383148193
2015	30.9523811340332
2016	32.3809509277344
2017	33.3333320617676
2018	35.7142868041992
2019	36.1904754638672
2020	42.3809509277344
2021	40.9523811340332
2022	41.5094337463379