Year	Index
2001-01-01	0.239652
2002-01-01	0.378037
2003-01-01	0.254063
2004-01-01	0.282362
2005-01-01	0.286536
2006-01-01	0.286234
2007-01-01	0.340868
2008-01-01	0.266992
2009-01-01	0.281649
2010-01-01	0.303198
2011-01-01	0.288172
2012-01-01	0.251854
2013-01-01	0.256865
2014-01-01	0.368481