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