Year Percent Change From Preceding Period 2004-01-01 2.0012412791983300 2005-01-01 3.1031730995029800 2006-01-01 4.7971762099201900 2007-01-01 8.6890671448483800 2008-01-01 1.7583489852632400 2009-01-01 1.0924577942076100 2010-01-01 2.6718118162224200 2011-01-01 4.4710487269508700 2012-01-01 5.5314984599127500 2013-01-01 6.1764387062744100 2014-01-01 -1.7006523822354900 2015-01-01 -2.4129491512663900 2016-01-01 -4.0649363099394700 2017-01-01 -0.0884386882017444 2018-01-01 0.3947413770490890 2019-01-01 1.9056726360092200