Year	Number of
2000	67
2001	58
2002	52
2003	44
2004	43
2005	41
2006	42
2007	35
2008	40
2009	34
2010	35
2011	32
2012	28
2013	25
2014	17
2015	22
2016	31
2017	22
2018	22
2019	21
2020	21