Year	Percent
2000	99.89811
2001	99.89811
2002	99.89779
2003	99.89747
2004	99.89715
2005	99.89683
2006	99.89651
2007	99.89619
2008	99.89587
2009	99.89555
2010	99.89523
2011	99.8949
2012	99.89458
2013	99.89426
2014	99.89394
2015	99.89362
2016	99.8933
2017	99.89298
2018	99.89298
2019	99.89298
2020	99.89298
2021	99.89298
2022	99.89298