Year Percent 1996-01-01 3.729770000000000000 1997-01-01 5.763370000000000000 1998-01-01 1.943690000000000100 1999-01-01 0.000000000000000000 2000-01-01 0.000000000000000000 2001-01-01 0.000000000000000000 2002-01-01 0.000000000000000000 2003-01-01 0.000000000000000000 2004-01-01 0.000000000000000000 2005-01-01 0.094891999999999990 2006-01-01 0.080547000000000010 2007-01-01 0.000000000000000000 2008-01-01 0.119013000000000010 2009-01-01 0.000000000000000000 2010-01-01 0.000185000000000000 2011-01-01 -2.247440000000000000 2012-01-01 0.671774000000000000 2013-01-01 0.015000999999999999 2014-01-01 0.585569000000000000 2015-01-01 0.131820000000000000 2016-01-01 0.544835000000000100