Year	Number of
2000	50
2001	48
2002	43
2003	33
2004	42
2005	31
2006	25
2007	30
2008	18
2009	29
2010	38
2011	19
2012	25
2013	18
2014	15
2015	19
2016	25
2017	15
2018	11
2019	11
2020	11