Year	Index
1996-01-01	0.21770500000000000
1997-01-01	0.22010100000000002
1998-01-01	0.07857800000000000
1999-01-01	0.14713700000000000
2000-01-01	0.13824500000000000
2001-01-01	0.20138399999999998
2002-01-01	0.23591399999999998
2003-01-01	0.26603400000000000
2004-01-01	0.31143500000000000
2005-01-01	0.35300800000000000
2006-01-01	0.30958400000000000
2007-01-01	0.26460500000000003
2008-01-01	0.16883599999999999
2009-01-01	0.14103500000000000
2010-01-01	0.10059800000000000
2011-01-01	0.16108400000000000
2012-01-01	0.35681700000000000
2013-01-01	0.42374900000000000
2014-01-01	0.44528000000000000