Year	Number
1996	0
1998	0
2000	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	1.4084507226944
2012	3.28638505935669
2013	4.22535228729248
2014	5.9113302230835
2015	8.86699485778809
2016	22.1674880981445
2017	18.7192115783691
2018	17.9611644744873
2019	19.3236713409424
2020	16.425121307373
2021	1.44927537441254
2022	0