Year	Number
2000	3
2001	3
2002	3
2003	3
2004	3
2005	3
2006	3
2007	3
2008	3
2009	3
2010	2
2011	2
2012	2
2013	2
2014	2
2015	1
2016	1
2017	1
2018	1
2019	1
2020	1