Year	Number
1996	3
1998	5
2000	7
2002	8
2003	9
2004	10
2005	10
2006	12
2007	11
2008	11
2009	11
2010	11
2011	12
2012	13
2013	13
2014	13
2015	13
2016	12
2017	12
2018	12
2019	12
2020	12
2021	12
2022	12