Year	Percent
2000	99.93385
2001	99.93873
2002	99.94362
2003	99.9485
2004	99.95339
2005	99.95827
2006	99.96315
2007	99.96804
2008	99.97292
2009	99.97781
2010	99.98269
2011	99.98758
2012	99.99246
2013	99.99734
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100