Year	Number of
2000	11
2001	15
2002	11
2003	19
2004	13
2005	15
2006	15
2007	16
2008	25
2009	31
2010	37
2011	26
2012	27
2013	15
2014	24
2015	25
2016	20
2017	20
2018	20
2019	23
2020	26