Year	Percent
2000	98.70544
2001	98.76104
2002	98.81663
2003	98.87222
2004	98.92782
2005	98.98341
2006	99.03901
2007	99.0946
2008	99.15019
2009	99.20579
2010	99.26138
2011	99.31697
2012	99.37257
2013	99.42816
2014	99.48375
2015	99.53935
2016	99.59494
2017	99.65053
2018	99.70613
2019	99.76172
2020	99.81731
2021	99.81731
2022	99.81731