Year	Index
1993-01-01	13.373400000000000
1994-01-01	16.867600000000000
1995-01-01	14.329800000000000
1996-01-01	10.290000000000000
1997-01-01	11.072700000000000
1998-01-01	19.782600000000000
1999-01-01	19.112600000000000
2000-01-01	15.305400000000000
2001-01-01	14.807800000000000
2002-01-01	12.921400000000000
2003-01-01	9.857930000000000
2004-01-01	7.999490000000000
2005-01-01	7.617330000000000
2006-01-01	9.588640000000000
2007-01-01	9.696489999999999
2008-01-01	12.824900000000000
2009-01-01	18.459000000000000
2010-01-01	12.582300000000000
2011-01-01	8.795080000000000
2012-01-01	9.431189999999999
2013-01-01	8.622700000000000
2014-01-01	8.188800000000000
2015-01-01	7.499480000000000
2016-01-01	8.650980000000000
2017-01-01	9.016830000000000