Year	Number
1996	34.5744667053223
1998	43.0851058959961
2000	40.2116394042969
2002	53.439151763916
2003	44.7236175537109
2004	35.9223289489746
2005	32.5242729187012
2006	35.7487907409668
2007	33.8164253234863
2008	31.730770111084
2009	27.488151550293
2010	22.274881362915
2011	2.84360194206238
2012	0.473933637142181
2013	0.473933637142181
2014	0
2015	0
2016	0
2017	0.952380955219269
2018	0.943396210670471
2019	0.471698105335236
2020	0
2021	0.471698105335236
2022	0