Year	Percent
2000	99.48196
2001	99.48237
2002	99.48277
2003	99.48318
2004	99.48359
2005	99.48399
2006	99.4844
2007	99.48481
2008	99.48521
2009	99.48562
2010	99.48602
2011	99.48643
2012	99.48684
2013	99.48724
2014	99.48765
2015	99.48806
2016	99.48846
2017	99.48887
2018	99.48928
2019	99.48968
2020	99.49009
2021	99.4905
2022	99.4909