Year	Index
1999-01-01	-0.0019579999999999997
2000-01-01	-0.1034400000000000000
2001-01-01	-0.0827370000000000000
2002-01-01	-0.1116760000000000000
2003-01-01	-0.0870760000000000000
2004-01-01	-0.1157810000000000000
2005-01-01	-0.1033050000000000000
2006-01-01	-0.0774590000000000000
2007-01-01	-0.0742890000000000000
2008-01-01	-0.0750880000000000000
2009-01-01	-0.0634790000000000000
2010-01-01	-0.0488670000000000000
2011-01-01	-0.0418070000000000000
2012-01-01	-0.0460230000000000000
2013-01-01	-0.0452800000000000000
2014-01-01	-0.0470370000000000000