Year	Percent
2000	93.30764
2001	93.53995
2002	93.77227
2003	94.00458
2004	94.2369
2005	94.46921
2006	94.70153
2007	94.93384
2008	95.16616
2009	95.39847
2010	95.63079
2011	95.8631
2012	95.97139
2013	95.62865
2014	95.62865
2015	95.62865
2016	95.62865
2017	95.62865