Year	Number
1996	3
1998	5
2000	7
2002	6
2003	7
2004	8
2005	9
2006	11
2007	12
2008	13
2009	12
2010	12
2011	12
2012	14
2013	13
2014	13
2015	13
2016	12
2017	12
2018	12
2019	12
2020	10
2021	10
2022	10