Year	Percent
2000	99.88097
2001	99.88097
2002	99.88098
2003	99.881
2004	99.88102
2005	99.88104
2006	99.88106
2007	99.88108
2008	99.88109
2009	99.88111
2010	99.88113
2011	99.884
2012	99.88687
2013	99.88973
2014	99.89259
2015	99.89544
2016	99.8983
2017	99.89987
2018	99.89987
2019	99.89987
2020	99.89987
2021	99.89987
2022	99.89988