Year Percent 2000-01-01 0.036289999999999996 2001-01-01 0.027699000000000000 2002-01-01 0.025613000000000000 2003-01-01 0.053801999999999996 2004-01-01 0.124333000000000000 2005-01-01 0.142000000000000000 2006-01-01 0.175000000000000000 2007-01-01 0.526057000000000000 2008-01-01 0.447231000000000050 2009-01-01 0.365209000000000000 2010-01-01 0.809241000000000000 2011-01-01 0.566789000000000000 2012-01-01 0.746545000000000000 2013-01-01 0.832326000000000000 2014-01-01 1.349970000000000100 2015-01-01 1.239150000000000000 2016-01-01 1.196640000000000000