Year	Index
2005-01-01	20.56820
2006-01-01	18.10680
2007-01-01	22.53720
2008-01-01	22.26580
2009-01-01	15.94480
2010-01-01	11.05320
2011-01-01	10.70780
2012-01-01	12.38040
2013-01-01	8.53518
2014-01-01	8.71839
2015-01-01	10.24670
2016-01-01	12.05470
2017-01-01	12.63620