Year	Index
1996-01-01	0.15948199999999998
1997-01-01	0.13339100000000000
1998-01-01	0.17031100000000000
1999-01-01	0.23319299999999998
2000-01-01	0.22123700000000000
2001-01-01	0.25918000000000000
2002-01-01	0.28657800000000000
2003-01-01	0.32051500000000000
2004-01-01	0.33816000000000000
2005-01-01	0.40135500000000000
2006-01-01	0.39300300000000005
2007-01-01	0.37659800000000000
2008-01-01	0.37655300000000000
2009-01-01	0.40563400000000000
2010-01-01	0.43655700000000000
2011-01-01	0.41572400000000000
2012-01-01	0.41408900000000004
2013-01-01	0.39547899999999997
2014-01-01	0.34433100000000000