Year	Number of
2000	14
2001	17
2002	25
2003	7
2004	3
2005	5
2006	6
2007	6
2008	8
2009	8
2010	8
2011	10
2012	6
2013	9
2014	9
2015	7
2016	13
2017	12
2018	11
2019	11
2020	13