Year	Index
1996-01-01	0.17481500000000000
1997-01-01	0.16180899999999998
1998-01-01	0.17030300000000000
1999-01-01	0.14404100000000000
2000-01-01	0.14105600000000000
2001-01-01	0.12088499999999999
2002-01-01	0.15027500000000000
2003-01-01	0.16501800000000000
2004-01-01	0.14868699999999999
2005-01-01	0.16228900000000002
2006-01-01	0.16145600000000000
2007-01-01	0.15573399999999998
2008-01-01	0.19155800000000000
2009-01-01	0.21759299999999998
2010-01-01	0.24638300000000000
2011-01-01	0.24065799999999998
2012-01-01	0.23798600000000000
2013-01-01	0.22788899999999998
2014-01-01	0.21865600000000000