Year Percent Change 2000-01-01 19.4930 2001-01-01 34.3003 2002-01-01 23.8122 2003-01-01 25.5139 2004-01-01 13.5255 2005-01-01 14.5520 2006-01-01 15.6746 2007-01-01 18.9076 2008-01-01 13.7431 2009-01-01 14.9142 2010-01-01 12.8531 2011-01-01 19.8971 2012-01-01 10.4995 2013-01-01 13.6018 2014-01-01 8.6205 2015-01-01 0.3704 2016-01-01 7.1033 2017-01-01 13.7489 2018-01-01 9.3608 2019-01-01 9.0640