Year	Percent
2000	99.87588
2001	99.87588
2002	99.87794
2003	99.88
2004	99.88206
2005	99.88412
2006	99.88618
2007	99.88824
2008	99.8903
2009	99.89236
2010	99.89441
2011	99.89647
2012	99.89853
2013	99.90059
2014	99.90265
2015	99.90265
2016	99.90265
2017	99.90265
2018	99.90265
2019	99.90265
2020	99.90265
2021	99.90265
2022	99.90265