Year	Number
1996	1
1998	1
2000	1
2002	2
2003	2
2004	4
2005	5
2006	8
2007	8
2008	8
2009	8
2010	8
2011	9
2012	10
2013	11
2014	11
2015	11
2016	11
2017	9
2018	9
2019	9
2020	8
2021	7
2022	7