Year	Ratio
1993-01-01	1.005040049552920
1994-01-01	1.001680016517640
1995-01-01	1.003200054168700
1996-01-01	1.000710010528560
1997-01-01	0.997470021247864
1998-01-01	0.995869994163513
1999-01-01	0.989650011062622
2000-01-01	0.989830017089844
2001-01-01	0.990000009536743
2002-01-01	0.991439998149872
2003-01-01	0.994409978389740
2005-01-01	1.000399947166440
2006-01-01	0.998229980468750
2007-01-01	1.001090049743650
2008-01-01	1.003469944000240
2009-01-01	1.000249981880190
2010-01-01	1.001610040664670
2011-01-01	0.997439980506897
2012-01-01	1.000440001487730
2013-01-01	1.003340005874630
2014-01-01	0.997210025787354
2015-01-01	1.002879977226260
2016-01-01	1.008180022239690