Year	Percent
2000	94.34538
2001	94.29336
2002	94.24134
2003	94.18931
2004	94.13729
2005	94.24826
2006	94.35906
2007	94.46967
2008	94.58011
2009	94.69036
2010	94.80043
2011	94.91032
2012	95.02004
2013	95.12957
2014	95.23892
2015	95.34809
2016	95.45709
2017	95.5659
2018	95.67453
2019	95.70379
2020	95.65046
2021	95.59713
2022	95.59713