Year	Index
1996-01-01	0.21273300000000000
1997-01-01	0.22615500000000002
1998-01-01	0.23799600000000000
1999-01-01	0.24754000000000000
2000-01-01	0.21113300000000000
2001-01-01	0.23083100000000000
2002-01-01	0.30557199999999995
2003-01-01	0.32282200000000000
2004-01-01	0.34539699999999995
2005-01-01	0.42451200000000000
2006-01-01	0.39337400000000000
2007-01-01	0.42757399999999995
2008-01-01	0.43067300000000000
2009-01-01	0.45718600000000000
2010-01-01	0.48643400000000003
2011-01-01	0.44562700000000005
2012-01-01	0.47255200000000000
2013-01-01	0.47301499999999996
2014-01-01	0.49566800000000005