Year	Number
2004	10.4477615356445
2005	20.5882358551025
2006	17.0731716156006
2007	10.1941747665405
2008	8.73786449432373
2009	6.22009563446045
2010	6.22009563446045
2011	7.10900497436523
2012	7.5829381942749
2013	9.00473976135254
2014	14.4230766296387
2015	17.619047164917
2016	20
2017	23.8095245361328
2018	23.8095245361328
2019	27.1428565979004
2020	32.8571434020996
2021	31.4285717010498
2022	33.0188674926758