Year Percent 1996-01-01 6.2510699999999995 1997-01-01 6.8245300000000000 1998-01-01 14.0864000000000000 1999-01-01 4.4768000000000000 2000-01-01 6.8626600000000010 2001-01-01 4.6365200000000000 2002-01-01 -2.2345099999999998 2003-01-01 -9.4623100000000000 2004-01-01 -1.6363500000000000 2005-01-01 10.5412000000000000 2006-01-01 9.8621100000000010 2007-01-01 15.9591000000000000 2008-01-01 -12.1986000000000000 2009-01-01 -4.7326000000000000 2010-01-01 2.0367200000000000 2011-01-01 0.5109410000000000 2012-01-01 3.9263400000000000 2013-01-01 3.3767600000000000 2014-01-01 2.9683500000000000 2015-01-01 2.2687400000000000 2016-01-01 3.0364100000000000