Year Percent 2004-01-01 0.047314999999999996 2005-01-01 0.713920000000000000 2006-01-01 1.792760000000000000 2007-01-01 1.345210000000000000 2008-01-01 0.766263000000000000 2009-01-01 1.129050000000000000 2010-01-01 1.098090000000000000 2011-01-01 1.098090000000000000 2012-01-01 1.098090000000000000 2013-01-01 1.098090000000000000 2014-01-01 0.641454000000000000 2015-01-01 0.744925000000000000 2016-01-01 1.280090000000000000