Year	Ratio
2000-01-01	119.5395670809140
2001-01-01	121.6324815961580
2002-01-01	125.5146151004090
2003-01-01	121.9643772324660
2004-01-01	119.4016595554810
2005-01-01	120.9417177153700
2006-01-01	123.3743160993150
2007-01-01	119.9844282296560
2008-01-01	123.5338834311900
2009-01-01	119.4561980363110
2010-01-01	121.0699053116220
2011-01-01	120.4998978376540
2012-01-01	116.9848290466620
2013-01-01	113.4045221658390
2014-01-01	106.1358963158500
2015-01-01	102.0538957083210
2016-01-01	99.6846409547166
2017-01-01	101.2840094120660
