Year	Percent
2000	28
2001	29
2002	29
2003	31
2004	34
2005	41
2006	45
2007	45
2008	47
2009	52
2010	53
2011	58
2012	57
2013	58
2014	59
2015	60
2016	60
2017	59
2018	63
2019	51
2020	59