Quarter	Percent per Annum
2010-01-01	-6.61
2010-04-01	-3.92
2010-07-01	-7.14
2010-10-01	-12.34
2011-01-01	-11.13
2011-04-01	-11.38
2011-07-01	-12.91
2011-10-01	-13.97
2012-01-01	-7.63
2012-04-01	-6.44
2012-07-01	-4.76
2012-10-01	-1.04
2013-01-01	-0.74
2013-04-01	-0.72
2013-07-01	0.62
2013-10-01	-0.12
2014-01-01	-2.59
2014-04-01	-3.53
2014-07-01	-2.07
2014-10-01	0.03
2015-01-01	2.68
2015-04-01	2.97
2015-07-01	2.98
2015-10-01	2.81
2016-01-01	2.61
2016-04-01	6.85
2016-07-01	7.07
2016-10-01	7.31
2017-01-01	5.12
2017-04-01	7.21
2017-07-01	6.22
2017-10-01	5.62
2018-01-01	6.55
2018-04-01	4.72