Year	Index
2001-01-01	12.424700000000000
2002-01-01	9.960840000000000
2003-01-01	7.813490000000000
2004-01-01	7.593600000000000
2005-01-01	12.365000000000000
2006-01-01	15.023700000000000
2007-01-01	11.588800000000000
2008-01-01	18.871500000000000
2009-01-01	35.981900000000000
2010-01-01	22.025000000000000
2011-01-01	11.503700000000000
2012-01-01	10.007600000000000
2013-01-01	7.935239999999999
2014-01-01	8.518030000000000
2015-01-01	14.770400000000000
2016-01-01	12.197100000000000
2017-01-01	8.101660000000000