Year	Number of
2000	28
2001	14
2002	19
2003	30
2004	33
2005	23
2006	24
2007	17
2008	17
2009	17
2010	18
2011	16
2012	11
2013	12
2014	14
2015	22
2016	13
2017	13
2018	13
2019	13
2020	13