Year Percent Change From Preceding Period 2004-01-01 3.918428735733790 2005-01-01 5.470845145965880 2006-01-01 1.461839609315040 2007-01-01 3.412200865580560 2008-01-01 10.270415817209200 2009-01-01 0.571171365154984 2010-01-01 3.757767397280260 2011-01-01 1.464836800246140 2012-01-01 2.800818404769610 2013-01-01 -0.403403561235163 2014-01-01 1.831621262797910 2015-01-01 1.621434838039910 2016-01-01 0.454753054600344 2017-01-01 -1.551358040484170 2018-01-01 1.458676557273970 2019-01-01 1.959408674304740