Year Percent 2005-01-01 2.01434000000000020 2006-01-01 1.64735000000000000 2007-01-01 -0.46866700000000000 2008-01-01 2.14344000000000000 2009-01-01 1.23836000000000010 2010-01-01 0.76677500000000000 2011-01-01 0.76677500000000000 2012-01-01 0.28493800000000000 2013-01-01 0.56277000000000000 2014-01-01 0.46669499999999997 2015-01-01 0.46669499999999997 2016-01-01 1.56259000000000000