Year	Percent
2000	99.88593
2001	99.88592
2002	99.8859
2003	99.88588
2004	99.88585
2005	99.88583
2006	99.8858
2007	99.88578
2008	99.88575
2009	99.88573
2010	99.88571
2011	99.88569
2012	99.88564
2013	99.88557
2014	99.88552
2015	99.88546
2016	99.8854
2017	99.88534
2018	99.88529
2019	99.88522
2020	99.88516
2021	99.8851
2022	99.88504