Year	Percent
2000	99.94313
2001	99.94313
2002	99.94764
2003	99.95215
2004	99.95665
2005	99.96116
2006	99.96567
2007	99.97017
2008	99.97468
2009	99.97918
2010	99.98369
2011	99.9882
2012	99.9927
2013	99.99721
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100