Year	Index
1996-01-01	0.12521800000000000
1997-01-01	0.16064100000000000
1998-01-01	0.07500100000000000
1999-01-01	0.09569600000000000
2000-01-01	0.14594900000000000
2001-01-01	0.17033700000000000
2002-01-01	0.17685800000000000
2003-01-01	0.25511600000000000
2004-01-01	0.30356400000000000
2005-01-01	0.32669100000000000
2006-01-01	0.25657100000000000
2007-01-01	0.30919900000000000
2008-01-01	0.33525900000000003
2009-01-01	0.36612800000000000
2010-01-01	0.36479400000000000
2011-01-01	0.35870300000000000
2012-01-01	0.35418900000000000
2013-01-01	0.36946900000000000
2014-01-01	0.48301400000000005