Year Percent Change From Preceding Period 2004-01-01 -2.411730309426170 2005-01-01 11.684725370750000 2006-01-01 8.765287151615170 2007-01-01 9.261027471261670 2008-01-01 0.527495249152565 2009-01-01 16.047967455129800 2010-01-01 8.970313926094020 2011-01-01 15.256552606738300 2012-01-01 15.154286234073800 2013-01-01 7.410922505445420 2014-01-01 7.122486426897100 2015-01-01 13.169026069995500 2016-01-01 7.264145765815560 2017-01-01 7.895552711514900 2018-01-01 8.992854380477520 2019-01-01 5.332339156137320