Year	Index
2004-01-01	10.92510
2005-01-01	9.52704
2006-01-01	11.38960
2007-01-01	14.87110
2008-01-01	23.72430
2009-01-01	30.58870
2010-01-01	17.76880
2011-01-01	13.38140
2012-01-01	17.35550
2013-01-01	18.63820
2014-01-01	16.32390
2015-01-01	14.22240
2016-01-01	11.93720
2017-01-01	10.33320