Year Percent 1996-01-01 31.2009000000000000 1997-01-01 32.3859999999999960 1998-01-01 -14.7059000000000000 1999-01-01 12.8365000000000000 2000-01-01 13.3612000000000000 2001-01-01 20.7715000000000000 2002-01-01 21.2027000000000000 2003-01-01 21.1329000000000000 2004-01-01 10.3909999999999980 2005-01-01 15.6358000000000000 2006-01-01 38.4735000000000000 2007-01-01 15.7138000000000000 2008-01-01 10.5930000000000000 2009-01-01 -69.4469000000000000 2010-01-01 1.8009900000000000 2011-01-01 32.6915000000000000 2012-01-01 14.5215000000000000 2013-01-01 18.4306000000000000 2014-01-01 11.3950000000000000 2015-01-01 20.3409000000000000 2016-01-01 1.6774799999999999