Quarter Percent per Annum 2007-01-01 18.54 2007-04-01 22.39 2007-07-01 29.41 2007-10-01 30.81 2008-01-01 28.21 2008-04-01 23.06 2008-07-01 7.57 2008-10-01 -3.65 2009-01-01 -13.88 2009-04-01 -19.64 2009-07-01 -11.16 2009-10-01 -11.59 2010-01-01 -6.15 2010-04-01 -2.78 2010-07-01 -7.70 2010-10-01 -2.83 2011-01-01 -4.23 2011-04-01 -5.58 2011-07-01 -4.51 2011-10-01 -6.50 2012-01-01 -6.66 2012-04-01 -5.80 2012-07-01 -5.80 2012-10-01 -6.12 2013-01-01 -2.12 2013-04-01 -0.46 2013-07-01 -1.00 2013-10-01 1.69 2014-01-01 -0.15 2014-04-01 1.25 2014-07-01 1.37 2014-10-01 3.45 2015-01-01 5.72 2015-04-01 5.67 2015-07-01 6.12 2015-10-01 5.34 2016-01-01 5.54 2016-04-01 6.65 2016-07-01 8.33 2016-10-01 8.43 2017-01-01 2.79 2017-04-01 5.58 2017-07-01 5.70 2017-10-01 3.87 2018-01-01 9.11 2018-04-01 4.10