Year	Ratio
1976-01-01	1.023169994354250
1977-01-01	1.037240028381350
1978-01-01	1.054209947586060
1979-01-01	1.059129953384400
1980-01-01	1.057710051536560
1982-01-01	1.046880006790160
1983-01-01	1.019320011138920
1985-01-01	1.008929967880250
1986-01-01	1.014140009880070
1992-01-01	1.006800055503850
1993-01-01	1.019690036773680
1995-01-01	1.003649950027470
1996-01-01	1.039319992065430
1997-01-01	1.005049943923950
1998-01-01	0.997179985046387
1999-01-01	0.966629981994629
2002-01-01	0.995890021324158
2004-01-01	0.987600028514862
2005-01-01	0.986220002174377
2006-01-01	0.991349995136261
2007-01-01	0.991639971733093
2008-01-01	0.995720028877258
2009-01-01	1.027420043945310
2010-01-01	1.019309997558590
2016-01-01	1.054049968719480