Year	Number
2000	15
2001	14
2002	9
2003	6
2004	13
2005	12
2006	15
2007	14
2008	7
2009	10
2010	25
2011	9
2012	12
2013	13
2014	9
2015	8
2016	7
2017	15
2018	9
2019	15
2020	10