Year	Number
1996	1
1998	1
2000	1
2002	1
2003	1
2004	1
2005	2
2006	2
2007	2
2008	2
2009	3
2010	4
2011	5
2012	5
2013	4
2014	3
2015	4
2016	4
2017	4
2018	4
2019	4
2020	4
2021	4
2022	4