Year	Percent
2001-01-01	1.0203000000000000
2002-01-01	0.9845299999999999
2003-01-01	0.9723500000000000
2004-01-01	0.9962770000000001
2005-01-01	1.0296100000000001
2006-01-01	1.0181400000000000
2007-01-01	0.9743550000000000
2008-01-01	0.9503030000000001
2009-01-01	0.9559390000000000
2010-01-01	0.9645710000000000
2011-01-01	1.0219100000000000
2012-01-01	1.0941299999999998
2013-01-01	1.1144100000000001
2014-01-01	1.1502500000000000
2015-01-01	1.1642299999999999
2016-01-01	1.1521200000000000