Year Index 1996-01-01 0.65458000000000000 1997-01-01 0.37738400000000000 1998-01-01 0.25814600000000000 1999-01-01 0.48216600000000000 2000-01-01 0.61908900000000000 2001-01-01 0.50290300000000000 2002-01-01 0.43888599999999994 2003-01-01 0.51322300000000000 2004-01-01 0.49216700000000000 2005-01-01 0.47479300000000000 2006-01-01 0.43905600000000006 2007-01-01 0.44075100000000000 2008-01-01 0.48818100000000003 2009-01-01 0.42272100000000000 2010-01-01 0.33446400000000000 2011-01-01 0.28594300000000000 2012-01-01 0.29945300000000000 2013-01-01 0.29631900000000000 2014-01-01 0.38488700000000000