Year Percent 1996-01-01 4.6260500000000000 1997-01-01 1.8505300000000000 1998-01-01 -0.5804690000000000 1999-01-01 4.3279600000000000 2000-01-01 0.5167280000000000 2001-01-01 1.3032900000000000 2002-01-01 0.5843420000000000 2003-01-01 1.4201600000000000 2004-01-01 1.5770400000000000 2005-01-01 1.3394100000000000 2006-01-01 1.3697500000000000 2007-01-01 1.6996900000000001 2008-01-01 0.6751890000000000 2009-01-01 -3.0216200000000000 2010-01-01 -0.2384110000000000 2011-01-01 0.3870490000000000 2012-01-01 0.1065770000000000 2013-01-01 -0.1286940000000000 2014-01-01 -4.5357199999999995 2015-01-01 -4.0846700000000000