Year	Index
1999-01-01	-0.066115000000000000
2000-01-01	-0.058589999999999996
2001-01-01	-0.048498000000000000
2002-01-01	-0.037188000000000000
2003-01-01	-0.033092000000000000
2004-01-01	-0.034605000000000004
2005-01-01	-0.048240000000000000
2006-01-01	-0.057583000000000000
2007-01-01	-0.048791000000000000
2008-01-01	-0.036420999999999995
2009-01-01	-0.022331999999999998
2010-01-01	-0.020084000000000000
2011-01-01	-0.023091999999999998
2012-01-01	-0.023478000000000000
2013-01-01	-0.023321000000000000
2014-01-01	-0.023533000000000002