Quarter Percent per Annum 2008-01-01 4.90 2008-04-01 2.50 2008-07-01 1.52 2008-10-01 -3.40 2009-01-01 -9.33 2009-04-01 -10.04 2009-07-01 -12.39 2009-10-01 -9.14 2010-01-01 -2.98 2010-04-01 -1.04 2010-07-01 -0.70 2010-10-01 -1.80 2011-01-01 2.36 2011-04-01 1.47 2011-07-01 0.82 2011-10-01 -1.07 2012-01-01 -9.35 2012-04-01 -7.98 2012-07-01 -8.58 2012-10-01 -11.12 2013-01-01 -6.49 2013-04-01 -6.07 2013-07-01 -9.59 2013-10-01 -5.42 2014-01-01 -7.11 2014-04-01 -10.38 2014-07-01 -5.12 2014-10-01 -4.30 2015-01-01 -0.99 2015-04-01 4.26 2015-07-01 1.49 2015-10-01 0.64 2016-01-01 1.56 2016-04-01 0.69 2016-07-01 4.82 2016-10-01 6.27 2017-01-01 4.00 2017-04-01 6.85 2017-07-01 6.63 2017-10-01 8.54 2018-01-01 11.94 2018-04-01 11.30