Year	Number of
2000	58
2001	56
2002	38
2003	59
2004	49
2005	46
2006	42
2007	38
2008	28
2009	31
2010	30
2011	32
2012	24
2013	23
2014	14
2015	13
2016	20
2017	19
2018	20
2019	20
2020	19