Year	Percent
2000	86.39704
2001	86.90407
2002	87.45164
2003	87.9872
2004	88.51058
2005	89.02119
2006	89.51913
2007	90.00419
2008	90.47615
2009	90.93441
2010	91.37948
2011	91.81089
2012	92.22878
2013	92.6316
2014	93.02006
2015	93.39432
2016	93.75488
2017	94.1021
2018	94.43639
2019	94.75822
2020	95.06804
2021	95.08151
2022	95.09456