Year Percent Change From Preceding Period 2004-01-01 -2.49000813027727 2005-01-01 8.50975417892971 2006-01-01 7.14558566262584 2007-01-01 9.85541440846282 2008-01-01 -4.30464180202815 2009-01-01 -1.49460521144767 2010-01-01 3.02800718952603 2011-01-01 8.18541930685423 2012-01-01 2.66745699607228 2013-01-01 4.07802408766401 2014-01-01 2.91759699953401 2015-01-01 2.90067866544687 2016-01-01 3.77659542313414 2017-01-01 4.55295231527795 2018-01-01 2.43191100125625 2019-01-01 2.32046250051357