Year Percent Change From Preceding Period 2004-01-01 22.38794450768900 2005-01-01 46.81696358190130 2006-01-01 34.38996628224130 2007-01-01 40.29580030682690 2008-01-01 106.72103791369300 2009-01-01 13.76902032416170 2010-01-01 30.55305319849660 2011-01-01 30.74246305491820 2012-01-01 -13.59841213766960 2013-01-01 34.27329108914790 2014-01-01 18.41467098271660 2015-01-01 14.09505692427170 2016-01-01 4.22705915257873 2017-01-01 1.34408812257542