Year Index 2000-01-01 0.000000 2001-01-01 0.000000 2002-01-01 0.000000 2003-01-01 0.000000 2004-01-01 0.000000 2005-01-01 0.000000 2006-01-01 0.000000 2007-01-01 0.000000 2008-01-01 0.407032 2009-01-01 0.455112 2010-01-01 0.601143 2011-01-01 0.628425 2012-01-01 0.711928 2013-01-01 0.752933 2014-01-01 0.749504