Year Percent 1993-01-01 0.69798900000000010 1994-01-01 0.70354500000000000 1995-01-01 0.41208800000000000 1996-01-01 0.15943700000000000 1997-01-01 0.36476200000000000 1998-01-01 0.69390299999999990 1999-01-01 0.67658200000000000 2000-01-01 0.97464100000000000 2001-01-01 0.90882900000000010 2002-01-01 0.40044000000000000 2003-01-01 0.41049700000000000 2004-01-01 0.77484400000000000 2005-01-01 1.03598000000000000 2006-01-01 1.12774000000000000 2007-01-01 1.43909000000000000 2008-01-01 1.33099000000000000 2009-01-01 0.60162799999999990 2010-01-01 0.16947300000000000 2011-01-01 0.55715500000000010 2012-01-01 1.28598000000000000 2013-01-01 1.01147000000000000 2014-01-01 0.44320699999999996