Year	Number
1980	7
1982	10
1992	13
1993	29
1994	13
1995	24
1996	9
1997	17
2002	2
2004	3
2005	1
2007	2
2008	1
2012	2
2014	4
2015	3
2016	3
2018	4
2019	1
2020	1
2021	2