Year	Number
1996	3
1998	3
2000	3
2002	4
2003	4
2004	5
2005	8
2006	9
2007	9
2008	10
2009	12
2010	12
2011	12
2012	13
2013	13
2014	12
2015	14
2016	13
2017	12
2018	12
2019	11
2020	10
2021	10
2022	10