Year	Number
1996	36.0655746459961
1998	38.7978134155273
2000	27.8688526153564
2002	29.7297306060791
2003	29.1891899108887
2004	15.4228858947754
2005	15.1960783004761
2006	14.6341466903687
2007	16.990291595459
2008	16.990291595459
2009	19.6172256469727
2010	23.4449768066406
2011	23.6966819763184
2012	28.9099521636963
2013	28.4360198974609
2014	17.3076915740967
2015	13.8095235824585
2016	16.6666660308838
2017	20.9523811340332
2018	23.8095245361328
2019	10.9523811340332
2020	11.9047622680664
2021	11.4285717010498
2022	14.6226415634155