Year Percent 1993-01-01 10.321600000000000000 1994-01-01 9.203510000000001000 1995-01-01 6.226780000000001000 1996-01-01 4.253150000000000000 1997-01-01 2.527809999999999700 1998-01-01 0.967058000000000000 1999-01-01 0.729468999999999900 2000-01-01 0.146136000000000000 2001-01-01 0.036078000000000000 2002-01-01 0.028330000000000000 2003-01-01 0.734478000000000000 2004-01-01 0.973220000000000100 2005-01-01 0.269265000000000030 2006-01-01 0.019834000000000000 2007-01-01 0.020166000000000000 2008-01-01 0.020419000000000000 2009-01-01 0.021858000000000002 2010-01-01 0.052295000000000000 2011-01-01 0.082902000000000000 2012-01-01 0.193886999999999980 2013-01-01 0.202804999999999990 2014-01-01 0.058336000000000000 2015-01-01 2.652050000000000000 2016-01-01 6.665480000000000500