Year Percent Change From Preceding Period 2004-01-01 30.370112273802900 2005-01-01 5.669389799170930 2006-01-01 -1.806647091274500 2007-01-01 0.752761218776416 2008-01-01 0.549393314666397 2009-01-01 1.598637452492470 2010-01-01 10.826887490078700 2011-01-01 -2.322271226509960 2012-01-01 6.153368351346280 2013-01-01 3.173994797899940 2014-01-01 4.285834053527450 2015-01-01 -0.712680641530948 2016-01-01 -8.713256317637720 2017-01-01 -5.767629680811980 2018-01-01 1.017845466008740 2019-01-01 1.073185173314190