Year	Percent
2000	98.38442
2001	98.41493
2002	98.44544
2003	98.47595
2004	98.50646
2005	98.53696
2006	98.56747
2007	98.59798
2008	98.62849
2009	98.65899
2010	98.6895
2011	98.72001
2012	98.75052
2013	98.78103
2014	98.78103
2015	98.78103
2016	98.78103
2017	98.78103