Year Percent 1999-01-01 0.2210810000000000000 2000-01-01 0.2123920000000000000 2001-01-01 0.2236989999999999800 2002-01-01 0.1282230000000000000 2003-01-01 0.1275520000000000000 2004-01-01 0.0050780000000000000 2005-01-01 0.0050780000000000000 2006-01-01 0.1566310000000000000 2007-01-01 0.0008849999999999999 2008-01-01 0.0564789999999999940 2009-01-01 0.1453730000000000000 2010-01-01 0.2643070000000000000 2011-01-01 0.0657620000000000000 2012-01-01 0.1231800000000000000 2013-01-01 6.4229100000000000000 2014-01-01 5.8367500000000000000 2015-01-01 8.6198800000000000000 2016-01-01 9.8442700000000000000