Year	Percent
2000	45
2001	45
2002	48
2003	50
2004	54
2005	56
2006	62
2007	61
2008	64
2009	63
2010	60
2011	66
2012	62
2013	60
2014	61
2015	63
2016	61
2017	55
2018	62
2019	65
2020	58