Year	Percent
2000	86.45086
2001	87.10492
2002	87.75898
2003	88.41303
2004	89.06709
2005	89.72114
2006	90.3752
2007	91.02926
2008	91.68331
2009	92.33737
2010	92.99143
2011	93.64548
2012	94.29954
2013	94.95359
2014	94.95359
2015	94.95359
2016	94.95359
2017	94.95359