Year	Percent
2000	91.96005
2001	92.26912
2002	92.573
2003	92.87174
2004	93.16519
2005	93.45343
2006	93.73652
2007	94.01434
2008	94.28719
2009	94.55513
2010	94.81805
2011	95.07605
2012	95.32938
2013	95.57798
2014	95.8219
2015	96.06141
2016	96.29659
2017	96.52736
2018	96.7395
2019	96.89252
2020	97.04102
2021	97.39382
2022	97.53776