Year	Percent
2002-01-01	99.99990000000000
2003-01-01	99.99120000000000
2004-01-01	99.97570000000000
2005-01-01	99.97750000000000
2006-01-01	99.97930000000000
2007-01-01	99.98220000000000
2008-01-01	99.98650000000000
2009-01-01	99.98890000000000
2010-01-01	99.99010000000000
2011-01-01	99.99120000000000
2012-01-01	99.99240000000000
2013-01-01	99.99090000000000
2014-01-01	99.99220000000000
2015-01-01	99.99600000000001
2016-01-01	99.99660000000000