Year	Percent
2000	94.6786
2001	94.84986
2002	95.02115
2003	95.19246
2004	95.3638
2005	95.53516
2006	95.70655
2007	95.87796
2008	96.0494
2009	96.22086
2010	96.39235
2011	96.56386
2012	96.7354
2013	96.90697
2014	97.07855
2015	97.24275
2016	97.40696
2017	97.40696
2018	97.40696
2019	97.40696
2020	97.40696