Year Percent Change From Preceding Period 2004-01-01 -1.346549705178040 2005-01-01 -3.206271259332960 2006-01-01 -4.300584554321240 2007-01-01 3.235722709670250 2008-01-01 -1.991801037016320 2009-01-01 -5.856594209765010 2010-01-01 2.379971663054900 2011-01-01 3.171245993640290 2012-01-01 1.397954642235280 2013-01-01 1.546370290312140 2014-01-01 0.777074957825879 2015-01-01 0.550307556803766 2016-01-01 -0.475909230083789 2017-01-01 -1.797378176309350 2018-01-01 0.657787572527817 2019-01-01 2.026961308530670