Year Percent 1992-01-01 0.45917700000000006 1993-01-01 0.47930100000000003 1994-01-01 0.50136700000000000 1995-01-01 0.43532100000000000 1996-01-01 0.41942700000000005 1997-01-01 0.49574399999999996 1998-01-01 0.67777800000000000 1999-01-01 0.82660499999999990 2000-01-01 1.04993000000000000 2001-01-01 0.84972399999999990 2002-01-01 0.92251500000000000 2003-01-01 0.60177700000000000 2004-01-01 0.67611100000000000 2005-01-01 0.60318000000000000 2006-01-01 0.69843400000000000 2007-01-01 0.72964300000000000 2008-01-01 0.75030000000000000 2009-01-01 0.85379200000000000 2010-01-01 0.84532500000000000 2011-01-01 0.85524899999999990 2012-01-01 0.90760300000000000 2013-01-01 0.98099100000000000 2014-01-01 0.97644100000000000 2015-01-01 0.98230599999999990 2016-01-01 1.03454000000000000