Year	Percent
2000	99.96536
2001	99.96526
2002	99.96516
2003	99.96506
2004	99.96497
2005	99.96488
2006	99.96483
2007	99.9648
2008	99.96477
2009	99.96475
2010	99.96472
2011	99.96469
2012	99.96467
2013	99.96464
2014	99.96462
2015	99.96459
2016	99.96457
2017	99.96455
2018	99.96452
2019	99.9645
2020	99.96447
2021	99.96445
2022	99.96442