Year Percent 2000-01-01 0.10091599999999999 2001-01-01 0.10416900000000001 2002-01-01 0.11145400000000000 2003-01-01 0.12918700000000000 2004-01-01 0.12918700000000000 2005-01-01 1.56181000000000010 2006-01-01 1.94082999999999980 2007-01-01 2.14234000000000040 2008-01-01 1.75347000000000000 2009-01-01 1.58162000000000000 2010-01-01 1.46297000000000000 2011-01-01 0.53782200000000000 2012-01-01 0.59811000000000000 2013-01-01 0.49317400000000000 2014-01-01 0.41017200000000004 2015-01-01 0.19271800000000000 2016-01-01 0.02820500000000000