Year Percent Change from Year Ago 1995-01-01 2.742140322085110 1996-01-01 3.099999290780320 1997-01-01 1.076067424357060 1998-01-01 -1.128431535051060 1999-01-01 -0.251954272087101 2000-01-01 2.779632825258120 2001-01-01 0.406335903191500 2002-01-01 0.117971205879706 2003-01-01 1.528263568370040 2004-01-01 2.204666193293360 2005-01-01 1.662670405185200 2006-01-01 1.419986132229890 2007-01-01 1.654204352153980 2008-01-01 -1.093540600426120 2009-01-01 -5.416432825913900 2010-01-01 4.191761322427020 2011-01-01 -0.115421339716771 2012-01-01 1.495069238211820 2013-01-01 2.000268242117970 2014-01-01 0.374739204824091 2015-01-01 1.353823113996820 2016-01-01 0.961416411756622 2017-01-01 1.734557114240730