Year	Number
1996	1
1998	1
2000	1
2002	2
2003	3
2004	5
2005	6
2006	9
2007	9
2008	9
2009	9
2010	9
2011	9
2012	9
2013	10
2014	10
2015	10
2016	10
2017	10
2018	10
2019	10
2020	9
2021	9
2022	9