Year	Percent
2000	99.96458
2001	99.96467
2002	99.96508
2003	99.9655
2004	99.9659
2005	99.96637
2006	99.9669
2007	99.96743
2008	99.96796
2009	99.96847
2010	99.96893
2011	99.96938
2012	99.9697
2013	99.96997
2014	99.97025
2015	99.97053
2016	99.97081
2017	99.97109
2018	100
2019	100
2020	100
2021	100
2022	100