Year Percent 1996-01-01 1.7364700000000002 1997-01-01 1.6746000000000000 1998-01-01 1.6641299999999999 1999-01-01 2.0255600000000000 2000-01-01 1.7222400000000002 2001-01-01 1.1208900000000000 2002-01-01 1.9423900000000000 2003-01-01 1.5991700000000000 2004-01-01 0.9852240000000000 2005-01-01 1.2606800000000000 2006-01-01 0.8393959999999999 2007-01-01 1.4610800000000000 2008-01-01 1.4060000000000000 2009-01-01 1.0695400000000000 2010-01-01 1.0815800000000000 2011-01-01 1.1682200000000000 2012-01-01 0.8676060000000000 2013-01-01 1.0039799999999999 2014-01-01 0.9366730000000000 2015-01-01 1.6522599999999998 2016-01-01 0.8851060000000000