Year	Ratio
1971-01-01	1.000689983367920
1972-01-01	1.000789999961850
1973-01-01	1.000830054283140
1974-01-01	1.001770019531250
1975-01-01	1.004480004310610
1976-01-01	0.999450027942657
1977-01-01	0.997489988803864
1978-01-01	0.999830007553101
1979-01-01	0.998409986495972
1980-01-01	1.002760052680970
1981-01-01	1.005200028419490
1982-01-01	1.004809975624080
1983-01-01	1.003180027008060
1984-01-01	1.000169992446900
1985-01-01	1.002840042114260
1986-01-01	1.005810022354130
1987-01-01	1.004799962043760
1988-01-01	1.003659963607790
1989-01-01	1.006369948387150
1990-01-01	1.010329961776730
1991-01-01	1.007730007171630
1992-01-01	1.002539992332460
1993-01-01	0.998690009117126
1994-01-01	0.998449981212616
1995-01-01	0.999849975109100
1996-01-01	1.000939965248110
1997-01-01	0.998719990253448
1998-01-01	0.995379984378815
1999-01-01	0.993990004062653
2000-01-01	0.992560029029846
2001-01-01	0.993600010871887
2002-01-01	0.995580017566681
2003-01-01	0.993830025196075
2004-01-01	0.993780016899109
2005-01-01	0.993560016155243
2006-01-01	0.990220010280609
2007-01-01	0.992749989032745
2008-01-01	1.001180052757260
2009-01-01	1.004340052604680
2010-01-01	1.004420042037960
2011-01-01	1.001109957695010
2012-01-01	1.005650043487550
2013-01-01	1.002320051193240
2014-01-01	1.002619981765750
2015-01-01	1.001330018043520
2016-01-01	0.999769985675812