Year Percent Change at Annual Rate 1999-01-01 -0.500610762448937 2000-01-01 -1.834377686727490 2001-01-01 0.265056847861417 2002-01-01 0.576764881535037 2003-01-01 2.233060387301790 2004-01-01 3.177252873729340 2005-01-01 1.597004887260390 2006-01-01 1.294185281899550 2007-01-01 1.100350125501670 2008-01-01 0.451494680650392 2009-01-01 0.803499821546966 2010-01-01 -0.532990982673547 2011-01-01 -1.840297301990930 2012-01-01 3.540582818829250 2013-01-01 5.523039525643130 2014-01-01 2.902265834476760 2015-01-01 2.977647480748180 2016-01-01 2.906554154326950 2017-01-01 2.812292198598900