Quarter	Percent per Annum
2006-01-01	9.20
2006-04-01	10.54
2006-07-01	12.41
2006-10-01	9.83
2007-01-01	9.12
2007-04-01	5.33
2007-07-01	-0.56
2007-10-01	-3.29
2008-01-01	-6.81
2008-04-01	-9.64
2008-07-01	-11.68
2008-10-01	-14.27
2009-01-01	-15.22
2009-04-01	-16.28
2009-07-01	-16.14
2009-10-01	-13.98
2010-01-01	-12.84
2010-04-01	-11.45
2010-07-01	-11.72
2010-10-01	-14.15
2011-01-01	-16.36
2011-04-01	-18.31
2011-07-01	-20.58
2011-10-01	-21.80
2012-01-01	-21.29
2012-04-01	-18.64
2012-07-01	-12.38
2012-10-01	-5.81
2013-01-01	-4.14
2013-04-01	-1.39
2013-07-01	3.19
2013-10-01	5.37
2014-01-01	10.38
2014-04-01	16.18
2014-07-01	18.84
2014-10-01	19.54
2015-01-01	18.17
2015-04-01	14.26
2015-07-01	8.81
2015-10-01	7.08
2016-01-01	7.61
2016-04-01	6.13
2016-07-01	7.35
2016-10-01	8.65
2017-01-01	8.82
2017-04-01	10.33
2017-07-01	11.56
2017-10-01	11.14
2018-01-01	11.99
2018-04-01	12.40