Year Percent 2004-01-01 0.024521000000000000 2005-01-01 0.008026000000000000 2006-01-01 0.029743000000000002 2007-01-01 0.022914000000000000 2008-01-01 0.049758000000000000 2009-01-01 0.056889999999999996 2010-01-01 0.061716999999999994 2011-01-01 0.069547000000000000 2012-01-01 0.086945000000000010 2013-01-01 0.089719000000000010 2014-01-01 0.104757999999999990 2015-01-01 0.112192000000000010 2016-01-01 0.127232999999999980