Year	Percent
2000	93.72303
2001	93.90785
2002	94.09267
2003	94.27748
2004	94.4623
2005	94.68565
2006	94.90915
2007	95.1328
2008	95.3566
2009	95.58055
2010	95.80465
2011	96.0289
2012	96.25331
2013	96.47786
2014	96.70256
2015	96.92741
2016	97.15242
2017	97.37757
2018	97.60288
2019	97.82833
2020	98.05394
2021	98.23215
2022	98.31535