Year Percent Change From Preceding Period 2004-01-01 113.569318153307000 2005-01-01 -31.522436735907300 2006-01-01 32.973831443448500 2007-01-01 -72.729362949256000 2008-01-01 156.964055869023000 2009-01-01 6.216124794850680 2010-01-01 3.045112890905210 2011-01-01 3.470318378334650 2012-01-01 3.720450934746700 2013-01-01 1.631622018902730 2014-01-01 -0.212939904613571 2015-01-01 -2.409555253626170 2016-01-01 -1.566357223346160 2017-01-01 0.915526308424082 2018-01-01 3.865732658412090 2019-01-01 9.648853021565910