Year	Number
1983	25
1986	14
2000	5
2001	11
2002	11
2003	18
2004	24
2005	8
2006	15
2007	34
2008	8
2009	17
2010	15
2011	15
2012	19
2013	12
2014	16
2015	25
2016	28
2017	20
2018	17
2019	23
2020	10
2021	7