Year	Ratio
1982-01-01	1.132680058479310
1983-01-01	1.145799994468690
1985-01-01	1.162199974060060
1986-01-01	1.144819974899290
1987-01-01	1.096130013465880
1992-01-01	1.024260044097900
1993-01-01	1.016389966011050
1995-01-01	0.999629974365234
1997-01-01	1.248579978942870
1999-01-01	0.985800027847290
2002-01-01	1.040349960327150
2004-01-01	0.989820003509521
2005-01-01	0.996460020542145
2006-01-01	1.002069950103760
2007-01-01	1.027999997138980
2008-01-01	1.016739964485170
2009-01-01	1.021229982376100
2010-01-01	1.053650021553040
2016-01-01	1.059389948844910