Year Percent 1996-01-01 -12.054900000000000 1997-01-01 0.930182000000000 1998-01-01 -16.369300000000000 1999-01-01 -16.910000000000000 2000-01-01 2.851630000000000 2001-01-01 -0.888041000000000 2002-01-01 -15.468600000000000 2003-01-01 -20.767600000000000 2004-01-01 -1.217270000000000 2005-01-01 1.123790000000000 2006-01-01 10.545200000000000 2007-01-01 8.277960000000000 2008-01-01 5.720350000000000 2009-01-01 -3.330400000000000 2010-01-01 5.127600000000000 2011-01-01 6.217080000000000 2012-01-01 5.543660000000000 2013-01-01 5.755770000000000 2014-01-01 5.914180000000000 2015-01-01 5.589180000000001 2016-01-01 4.876490000000000