Year	Ratio
2003-01-01	1.011170029640200
2004-01-01	1.015169978141780
2005-01-01	1.027179956436160
2006-01-01	1.024819970130920
2007-01-01	1.013949990272520
2008-01-01	1.148810029029850
2009-01-01	1.012879967689510
2010-01-01	1.013329982757570
2011-01-01	1.002150058746340
2012-01-01	1.008669972419740
2015-01-01	0.999040007591248
2016-01-01	0.999490022659302