Year	Ratio
1971-01-01	1.101279973983760
1972-01-01	0.998910009860992
1973-01-01	1.002799987792970
1974-01-01	1.001530051231380
1975-01-01	1.003170013427730
1976-01-01	1.002920031547550
1977-01-01	1.000440001487730
1978-01-01	1.001819968223570
1979-01-01	1.002550005912780
1980-01-01	1.004379987716670
1981-01-01	1.000939965248110
1982-01-01	1.001770019531250
1983-01-01	1.001410007476810
1984-01-01	1.002599954605100
1985-01-01	1.000509977340700
1986-01-01	1.000020027160640
1987-01-01	1.003980040550230
1988-01-01	0.998099982738495
1989-01-01	0.999140024185181
1990-01-01	1.001160025596620
1991-01-01	0.999029994010925
1992-01-01	1.000620007514950
1993-01-01	1.003579974174500
1994-01-01	1.001520037651060
1995-01-01	0.998730003833771
1996-01-01	1.000419974327090
1997-01-01	1.002419948577880
1998-01-01	1.002200007438660
1999-01-01	0.998229980468750
2000-01-01	1.002570033073430
2001-01-01	1.001729965209960
2002-01-01	1.002539992332460
2003-01-01	1.000689983367920
2004-01-01	1.001700043678280
2005-01-01	1.002969980239870
2006-01-01	1.006629943847660
2007-01-01	1.001479983329770
2008-01-01	1.002650022506710
2009-01-01	1.003209948539730
2010-01-01	1.003090023994450
2011-01-01	1.002050042152400
2012-01-01	1.004169940948490
2013-01-01	0.998960018157959
2014-01-01	0.999130010604858
2015-01-01	0.997150003910065
2016-01-01	0.997749984264374