Year	Ratio
1995-01-01	0.986129999160767
1996-01-01	0.990379989147186
1997-01-01	0.998560011386871
1999-01-01	1.002949953079220
2000-01-01	0.997950017452240
2001-01-01	1.003659963607790
2002-01-01	1.002799987792970
2003-01-01	1.000540018081670
2004-01-01	1.000049948692320
2005-01-01	0.992749989032745
2006-01-01	1.003579974174500
2007-01-01	1.000560045242310
2008-01-01	0.995500028133392
2009-01-01	0.996100008487701
2010-01-01	0.980790019035339
2011-01-01	0.989639997482300
2012-01-01	0.983619987964630
2013-01-01	1.005650043487550
2014-01-01	0.993780016899109
2015-01-01	0.999920010566711
2016-01-01	1.001399993896480