Year	Index
2001-01-01	13.588500000000000
2002-01-01	11.763800000000000
2003-01-01	11.115900000000000
2004-01-01	14.668700000000000
2005-01-01	13.889800000000000
2006-01-01	11.010100000000000
2007-01-01	13.009600000000000
2008-01-01	13.659100000000000
2009-01-01	15.440600000000000
2010-01-01	12.200100000000000
2011-01-01	8.959800000000000
2012-01-01	7.628760000000001
2013-01-01	10.070700000000000
2014-01-01	11.918100000000000
2015-01-01	13.735800000000000
2016-01-01	16.440600000000000
2017-01-01	14.594900000000000