Year Percent 1993-01-01 0.33994800000000003 1994-01-01 0.34488300000000000 1995-01-01 0.31635400000000000 1996-01-01 0.16492200000000000 1997-01-01 0.11502500000000000 1998-01-01 0.52013800000000000 1999-01-01 0.47886700000000000 2000-01-01 0.47683300000000000 2001-01-01 0.37980900000000000 2002-01-01 0.40613000000000000 2003-01-01 0.49556300000000003 2004-01-01 1.02542000000000000 2005-01-01 0.98364500000000010 2006-01-01 1.03127000000000010 2007-01-01 0.96553099999999990 2008-01-01 0.48127000000000000 2009-01-01 0.58011200000000000 2010-01-01 0.59238300000000000 2011-01-01 0.61167900000000000 2012-01-01 0.67950400000000000 2013-01-01 0.82992600000000000 2014-01-01 1.26468999999999990 2015-01-01 1.43169000000000000 2016-01-01 1.60077000000000000 2017-01-01 1.66385000000000000