Year	Number
1996	7
1998	7
2000	8
2002	9
2003	9
2004	9
2005	10
2006	14
2007	14
2008	14
2009	14
2010	14
2011	15
2012	15
2013	14
2014	12
2015	12
2016	12
2017	13
2018	13
2019	12
2020	11
2021	11
2022	11