Year	Ratio
1993-01-01	1.03778994083405
1994-01-01	1.03647005558014
1995-01-01	1.04893004894257
1996-01-01	1.03271996974945
1997-01-01	1.02880001068115
1998-01-01	1.02108001708984
1999-01-01	1.02268004417419
2000-01-01	1.01867997646332
2001-01-01	1.01300001144409
2002-01-01	1.00969004631042
2003-01-01	1.00735998153687
2004-01-01	1.01266002655029
2005-01-01	1.00950002670288
2006-01-01	1.00934994220734
2007-01-01	1.00868999958038
2008-01-01	1.01056003570557
2009-01-01	1.01288998126984
2010-01-01	1.01127994060516
2011-01-01	1.00760996341705
2012-01-01	1.00574004650116
2013-01-01	1.01730000972748
2014-01-01	1.01175999641418
2015-01-01	1.01069998741150