Year Percent 1996-01-01 6.1986000000000000 1997-01-01 -1.0421799999999999 1998-01-01 4.5367600000000000 1999-01-01 8.5939800000000000 2000-01-01 8.5939800000000000 2001-01-01 7.6578000000000000 2002-01-01 7.9249500000000000 2003-01-01 7.0359700000000000 2004-01-01 6.4810200000000000 2005-01-01 5.0345699999999995 2006-01-01 3.6644200000000000 2007-01-01 0.6205189999999999 2008-01-01 0.8239520000000000 2009-01-01 0.4091250000000000 2010-01-01 2.6145099999999997 2011-01-01 2.6918000000000000 2012-01-01 2.6020800000000000 2013-01-01 -1.0172000000000000 2014-01-01 1.5538299999999998 2015-01-01 2.6565200000000000 2016-01-01 0.5936200000000000