Year	Number
1996	1
1998	1
2000	1
2002	3
2003	3
2004	4
2005	7
2006	9
2007	9
2008	9
2009	9
2010	9
2011	9
2012	9
2013	8
2014	9
2015	9
2016	9
2017	8
2018	8
2019	9
2020	8
2021	8
2022	7