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