Year Percent 1988-01-01 2.24179000000000000 1989-01-01 2.24179000000000000 1990-01-01 2.24179000000000000 1991-01-01 2.24179000000000000 1992-01-01 2.24179000000000000 1993-01-01 -1.71145000000000000 1994-01-01 -0.00898100000000000 1995-01-01 -0.17095600000000000 1996-01-01 -0.17095600000000000 1997-01-01 -0.07875000000000000 1998-01-01 1.52011000000000000 1999-01-01 1.51034000000000000 2000-01-01 1.51034000000000000 2001-01-01 0.64615300000000000 2002-01-01 -1.36002999999999990 2003-01-01 -0.24379600000000000 2004-01-01 0.38782800000000000 2005-01-01 3.34404000000000000 2006-01-01 -0.10807900000000000 2007-01-01 0.19328100000000000 2008-01-01 -0.02722600000000000 2009-01-01 3.13887000000000030 2010-01-01 0.43557299999999993 2011-01-01 3.86425000000000000 2012-01-01 2.75128000000000000 2013-01-01 -0.36263600000000000 2014-01-01 -1.06626000000000000 2015-01-01 3.21276000000000000 2016-01-01 7.45826000000000100