Year	Percent
2000	98.09455
2001	98.16038
2002	98.2262
2003	98.29203
2004	98.35785
2005	98.42368
2006	98.4895
2007	98.55533
2008	98.62115
2009	98.68698
2010	98.7528
2011	98.81863
2012	98.88445
2013	98.95028
2014	98.95028
2015	98.95028
2016	98.95028
2017	98.95028