Year	Percent
2000	86.9599
2001	87.32601
2002	87.71255
2003	88.10732
2004	88.50269
2005	88.8985
2006	89.29506
2007	89.69207
2008	90.08983
2009	90.48803
2010	90.88682
2011	91.2862
2012	91.68617
2013	92.09077
2014	92.5001
2015	92.9144
2016	93.24654
2017	93.46773
2018	93.69326
2019	93.85787
2020	93.93674
2021	93.95625
2022	93.97971