Year	Percent
2000	71
2001	76
2002	80
2003	77
2004	77
2005	71
2006	65
2007	62
2008	61
2009	76
2010	84
2011	78
2012	77
2013	81
2014	78
2015	81
2016	81
2017	82
2018	83
2019	72
2020	55