Year	Index
1996-01-01	0.18399100000000002
1997-01-01	0.26601500000000000
1998-01-01	0.33398200000000000
1999-01-01	0.19175500000000000
2000-01-01	0.26593800000000000
2001-01-01	0.29495500000000000
2002-01-01	0.29467300000000000
2003-01-01	0.20058600000000000
2004-01-01	0.18455700000000000
2005-01-01	0.29007700000000000
2006-01-01	0.21768400000000002
2007-01-01	0.27771300000000000
2008-01-01	0.29563100000000000
2009-01-01	0.13276500000000002
2010-01-01	0.10916000000000000
2011-01-01	0.18743800000000002
2012-01-01	0.26025700000000000
2013-01-01	0.22939600000000002
2014-01-01	0.23392200000000000