Quarter	Percent per Annum
2010-01-01	18.50
2010-04-01	19.43
2010-07-01	21.33
2010-10-01	16.28
2011-01-01	19.75
2011-04-01	23.14
2011-07-01	19.64
2011-10-01	26.26
2012-01-01	25.80
2012-04-01	22.93
2012-07-01	23.20
2012-10-01	25.10
2013-01-01	19.91
2013-04-01	13.81
2013-07-01	15.02
2013-10-01	10.06
2014-01-01	12.25
2014-04-01	15.83
2014-07-01	14.07
2014-10-01	16.90
2015-01-01	17.51
2015-04-01	14.52
2015-07-01	13.06
2015-10-01	9.75
2016-01-01	3.30
2016-04-01	7.33
2016-07-01	7.65
2016-10-01	8.34
2017-01-01	10.45
2017-04-01	8.70
2017-07-01	7.45
2017-10-01	7.20
2018-01-01	6.71
2018-04-01	5.33