Year Percent Change From Preceding Period 2004-01-01 -1.407449599088070 2005-01-01 -0.248517357554427 2006-01-01 -3.629054469467880 2007-01-01 -1.230088859346120 2008-01-01 -12.086366932629200 2009-01-01 1.293517230932820 2010-01-01 -0.278893667825760 2011-01-01 6.163378101050210 2012-01-01 4.537288156312600 2013-01-01 2.326764220900830 2014-01-01 0.653709288326315 2015-01-01 0.446924981180238 2016-01-01 -0.205380232773318 2017-01-01 2.963341665073240 2018-01-01 2.231271236622690 2019-01-01 1.895373084946200