Year Percent Change From Preceding Period 2004-01-01 -0.239460215422432 2005-01-01 4.229858085238730 2006-01-01 1.241607637840890 2007-01-01 0.491631778733685 2008-01-01 0.974823004346649 2009-01-01 1.810218301183170 2010-01-01 2.051229554312190 2011-01-01 2.227203170877630 2012-01-01 2.960788942999740 2013-01-01 3.518193801097210 2014-01-01 1.950456866357030 2015-01-01 1.034423222052850 2016-01-01 2.157051912413490 2017-01-01 2.707554042096540 2018-01-01 2.763020024912960 2019-01-01 2.796647696922480