Year Percent 1995-01-01 1.44833000000000000 1996-01-01 2.11747000000000000 1997-01-01 1.52517000000000010 1998-01-01 1.79069000000000010 1999-01-01 0.83107900000000010 2000-01-01 0.58235500000000010 2001-01-01 0.42520500000000000 2002-01-01 0.38212600000000000 2003-01-01 0.38266700000000003 2004-01-01 0.39482000000000000 2005-01-01 0.40318899999999996 2006-01-01 0.22904499999999997 2007-01-01 0.16744800000000000 2008-01-01 0.12930899999999998 2009-01-01 0.74605300000000000 2010-01-01 1.18595000000000000 2011-01-01 0.76049800000000000 2012-01-01 0.63263800000000000 2013-01-01 0.81009700000000010 2014-01-01 1.79817000000000000 2015-01-01 1.55124000000000000 2016-01-01 1.38171000000000000