Quarter Percent per Annum 2011-01-01 1.22 2011-04-01 0.66 2011-07-01 -0.58 2011-10-01 -0.97 2012-01-01 -2.25 2012-04-01 -3.52 2012-07-01 -3.79 2012-10-01 -4.41 2013-01-01 -5.60 2013-04-01 -5.15 2013-07-01 -3.92 2013-10-01 -2.79 2014-01-01 -0.56 2014-04-01 1.83 2014-07-01 1.26 2014-10-01 1.44 2015-01-01 1.97 2015-04-01 1.14 2015-07-01 2.00 2015-10-01 1.00 2016-01-01 0.95 2016-04-01 0.41 2016-07-01 2.09 2016-10-01 3.98 2017-01-01 3.33 2017-04-01 4.56 2017-07-01 3.67 2017-10-01 3.85 2018-01-01 5.95 2018-04-01 6.17