Year Percent 1996-01-01 0.0000000000000000 1997-01-01 -18.4098000000000000 1998-01-01 9.3406899999999990 1999-01-01 -1.9375700000000000 2000-01-01 3.9109500000000000 2001-01-01 3.9109500000000000 2002-01-01 4.9421500000000000 2003-01-01 9.5951899999999990 2004-01-01 7.0012200000000000 2005-01-01 7.5909400000000000 2006-01-01 10.5848000000000000 2007-01-01 10.5024000000000000 2008-01-01 4.9481600000000000 2009-01-01 2.3240100000000000 2010-01-01 -4.8673199999999990 2011-01-01 5.5518600000000000 2012-01-01 5.9669400000000000 2013-01-01 -0.9274040000000001 2014-01-01 4.2997300000000000 2015-01-01 3.7857000000000000 2016-01-01 4.3664600000000000