Year	Number
1996	0.537634432315826
1998	0
2000	0
2002	6.34920644760132
2003	25.9259262084961
2004	25.1231517791748
2005	31.2195129394531
2006	36.5853652954102
2007	32.5242729187012
2008	34.9514579772949
2009	34.4497604370117
2010	35.238094329834
2011	36.4928894042969
2012	34.5971565246582
2013	35.5450248718262
2014	39.4230766296387
2015	36.1904754638672
2016	31.9047622680664
2017	29.5238094329834
2018	29.5238094329834
2019	27.1428565979004
2020	26.6666660308838
2021	26.1904754638672
2022	24.5283012390137