Year	Percent
2000	50
2001	50
2002	50
2003	50
2004	50
2005	50
2006	50
2007	50
2008	50
2009	50
2010	50
2011	52
2012	50
2013	52
2014	54
2015	55
2016	63
2017	65
2018	67
2019	69
2020	62