Year	Ratio
1995-01-01	0.963699996471405
1996-01-01	0.974720001220703
1997-01-01	0.992839992046356
1999-01-01	1.020159959793090
2000-01-01	1.043799996376040
2001-01-01	1.063509941101070
2002-01-01	1.051890015602110
2003-01-01	1.047899961471560
2004-01-01	1.042819976806640
2005-01-01	1.045519948005680
2006-01-01	1.055909991264340
2007-01-01	1.061599969863890
2008-01-01	1.070060014724730
2009-01-01	1.068420052528380
2010-01-01	1.079630017280580
2011-01-01	1.102830052375790
2012-01-01	1.095630049705510
2013-01-01	1.096109986305240
2014-01-01	1.098520040512080
2015-01-01	1.098649978637700
2016-01-01	1.100849986076350