Year	Percent
2000	62
2001	65
2002	70
2003	70
2004	74
2005	77
2006	68
2007	66
2008	78
2009	77
2010	68
2011	68
2012	75
2013	80
2014	75
2015	66
2016	77
2017	80
2018	75
2019	53
2020	45