Year	Percent
2000	42
2001	49
2002	42
2003	48
2004	46
2005	45
2006	44
2007	51
2008	46
2009	40
2010	46
2011	46
2012	62
2013	67
2014	76
2015	75
2016	77
2017	72
2018	75
2019	81
2020	72