Year	Percent
2000	92.93306
2001	92.89136
2002	92.84965
2003	92.80795
2004	92.95165
2005	93.09518
2006	93.23855
2007	93.38175
2008	93.52478
2009	93.66765
2010	93.81035
2011	93.95288
2012	94.09525
2013	94.23745
2014	94.37948
2015	94.52135
2016	94.66305
2017	94.80458
2018	94.94595
2019	95.08715
2020	95.22818
2021	95.36904
2022	95.50974