Year	Number
1996	20.7446804046631
1998	10.1063833236694
2000	3.70370364189148
2002	0
2003	0
2004	0.485436886548996
2005	0.485436886548996
2006	0.483091801404953
2007	1.93236720561981
2008	1.92307686805725
2009	2.84360194206238
2010	3.79146909713745
2011	4.26540279388428
2012	5.21327018737793
2013	7.5829381942749
2014	12.380952835083
2015	9.0476188659668
2016	10.9523811340332
2017	14.7619047164917
2018	15.5660381317139
2019	18.8679237365723
2020	25.943395614624
2021	26.4150943756104
2022	23.1132068634033