Year Percent 1993-01-01 1.14146000000000010 1994-01-01 1.05657000000000000 1995-01-01 1.01690000000000000 1996-01-01 1.15412999999999990 1997-01-01 1.20371000000000000 1998-01-01 1.03864000000000000 1999-01-01 0.75795800000000000 2000-01-01 0.74022300000000000 2001-01-01 0.68202299999999990 2002-01-01 0.61872700000000000 2003-01-01 0.40397100000000000 2004-01-01 0.29877300000000000 2005-01-01 0.25840799999999997 2006-01-01 0.21803800000000000 2007-01-01 0.31393899999999997 2008-01-01 0.32087700000000000 2009-01-01 0.33753000000000000 2010-01-01 0.41645100000000000 2011-01-01 0.32003000000000004 2012-01-01 0.25780100000000000 2013-01-01 0.29755300000000000 2014-01-01 0.30636700000000000 2015-01-01 0.37686600000000000 2016-01-01 0.37335000000000000