Year Percent 1996-01-01 1.2165700000000002 1997-01-01 1.3838600000000000 1998-01-01 0.8962000000000000 1999-01-01 0.3344530000000000 2000-01-01 -0.0994930000000000 2001-01-01 2.0854700000000000 2002-01-01 1.1692700000000000 2003-01-01 0.9845510000000001 2004-01-01 0.8602580000000000 2005-01-01 -0.2830820000000000 2006-01-01 1.5131500000000000 2007-01-01 1.3795000000000000 2008-01-01 2.0629400000000000 2009-01-01 0.8591260000000001 2010-01-01 1.1378000000000000 2011-01-01 1.8487900000000002 2012-01-01 1.1783200000000000 2013-01-01 1.7057400000000003 2014-01-01 1.4182100000000000 2015-01-01 1.1518899999999999 2016-01-01 1.1269600000000000