Year Percent Change From Preceding Period 2004-01-01 1.119786552191920 2005-01-01 -0.786428040815683 2006-01-01 -1.908099168179560 2007-01-01 6.332794390960250 2008-01-01 1.732510523576890 2009-01-01 -2.279144789735660 2010-01-01 6.270410586251060 2011-01-01 7.091753341398170 2012-01-01 5.251076918640550 2013-01-01 5.516994227308170 2014-01-01 4.435282778794950 2015-01-01 3.878522736933980 2016-01-01 2.081859902703170 2017-01-01 0.451461863452973 2018-01-01 2.042457376466640 2019-01-01 3.401133061166300