Year	Ratio
1993-01-01	1.04365003108978
1994-01-01	1.03648996353149
1995-01-01	1.03536999225616
1996-01-01	1.03340995311737
1997-01-01	1.02465999126434
1998-01-01	1.01892995834351
1999-01-01	1.02059996128082
2000-01-01	1.02128005027771
2001-01-01	1.01880002021790
2002-01-01	1.01830995082855
2003-01-01	1.01603996753693
2005-01-01	1.03390002250671
2006-01-01	1.03531002998352
2007-01-01	1.03638005256653
2008-01-01	1.03702998161316
2009-01-01	1.03909003734589
2010-01-01	1.07128000259399
2011-01-01	1.04053997993469
2012-01-01	1.03884994983673
2013-01-01	1.03419005870819
2014-01-01	1.03684997558594
2015-01-01	1.04812002182007
2016-01-01	1.04633998870850