Year Percent 1996-01-01 6.5584200000000000 1997-01-01 0.8798150000000000 1998-01-01 1.0123700000000000 1999-01-01 1.1853600000000000 2000-01-01 1.2878800000000000 2001-01-01 1.7168900000000002 2002-01-01 1.8369099999999998 2003-01-01 1.1006500000000000 2004-01-01 1.6946599999999998 2005-01-01 1.3159999999999998 2006-01-01 1.6638000000000000 2007-01-01 1.8054800000000000 2008-01-01 1.3616900000000000 2009-01-01 2.2844200000000000 2010-01-01 2.9210200000000000 2011-01-01 1.8998500000000000 2012-01-01 -0.3527520000000000 2013-01-01 1.3039200000000000 2014-01-01 1.1278700000000002 2015-01-01 0.9438750000000000 2016-01-01 0.5899650000000000