Year	Number
2000	1
2001	1
2002	1
2003	1
2004	1
2005	1
2006	1
2007	1
2008	1
2009	1
2010	1
2011	1
2012	1
2013	1
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0