Year	Index
1999-01-01	0.21585100000000002
2000-01-01	-0.31773300000000000
2001-01-01	-0.24419000000000002
2002-01-01	-0.27986400000000000
2003-01-01	-0.23431300000000002
2004-01-01	-0.14523100000000000
2005-01-01	-0.15772600000000000
2006-01-01	-0.15173599999999998
2007-01-01	-0.17063000000000000
2008-01-01	-0.15733200000000000
2009-01-01	-0.11757800000000000
2010-01-01	-0.10197500000000000
2011-01-01	-0.10622899999999999
2012-01-01	-0.11438599999999999
2013-01-01	-0.08864400000000000
2014-01-01	-0.09534800000000000