Year	Number
2000	1
2002	1
2003	2
2004	3
2005	3
2006	4
2007	5
2008	6
2009	8
2010	9
2011	9
2012	9
2013	8
2014	9
2015	9
2016	8
2017	8
2018	8
2019	8
2020	7
2021	8
2022	9