Year	Index
2005-01-01	11.211800000000000
2006-01-01	11.443800000000000
2007-01-01	9.618150000000000
2008-01-01	9.365510000000000
2009-01-01	13.410300000000000
2010-01-01	11.934800000000000
2011-01-01	9.473270000000000
2012-01-01	7.553389999999999
2013-01-01	7.104250000000000
2014-01-01	7.090080000000000
2015-01-01	7.028820000000000
2016-01-01	7.075380000000000
2017-01-01	7.705640000000000