Year	Index
2004-01-01	11.59170
2005-01-01	21.25170
2006-01-01	30.03880
2007-01-01	21.68070
2008-01-01	20.07620
2009-01-01	28.82740
2010-01-01	22.92960
2011-01-01	12.45220
2012-01-01	9.28829
2013-01-01	9.99072
2014-01-01	15.43810
2015-01-01	20.09610
2016-01-01	18.35950
2017-01-01	14.31920