Year	Number
1996	5
1998	4
2000	5
2002	6
2003	7
2004	10
2005	10
2006	11
2007	12
2008	11
2009	11
2010	10
2011	9
2012	10
2013	10
2014	10
2015	10
2016	12
2017	12
2018	12
2019	12
2020	11
2021	11
2022	10