Year Percent 1996-01-01 1.35195000000000000 1997-01-01 0.88432700000000010 1998-01-01 1.13879000000000000 1999-01-01 1.12182000000000000 2000-01-01 1.07697999999999980 2001-01-01 1.36509000000000000 2002-01-01 0.82814599999999990 2003-01-01 1.13611000000000000 2004-01-01 2.23990000000000000 2005-01-01 2.58142000000000000 2006-01-01 1.32952000000000000 2007-01-01 0.86346000000000000 2008-01-01 -0.53600900000000010 2009-01-01 0.42361099999999996 2010-01-01 0.84655500000000000 2011-01-01 1.13094000000000000 2012-01-01 1.18502000000000000 2013-01-01 1.44800000000000020 2014-01-01 1.22064000000000000 2015-01-01 1.21505000000000000 2016-01-01 1.19103999999999990