Year	Percent
2000	18
2001	25
2002	32
2003	31
2004	39
2005	45
2006	51
2007	56
2008	54
2009	49
2010	51
2011	49
2012	49
2013	50
2014	50
2015	55
2016	63
2017	68
2018	69
2019	73
2020	61
