Quarter	Percent
2004-01-01	5.5000
2004-04-01	4.4300
2004-07-01	3.7500
2004-10-01	3.3200
2005-01-01	3.7300
2005-04-01	3.6800
2005-07-01	3.7100
2005-10-01	3.7300
2006-01-01	3.3100
2006-04-01	3.2300
2006-07-01	3.3800
2006-10-01	3.2800
2007-01-01	3.6909
2007-04-01	3.9557
2007-07-01	4.0286
2007-10-01	3.8791
2008-01-01	4.0910
2008-04-01	4.0067
2008-07-01	4.2733
2008-10-01	2.4864
2009-01-01	1.0620
2009-04-01	0.6980
2009-07-01	0.3632
2009-10-01	0.3546
2010-01-01	0.3477
2010-04-01	0.3543
2010-07-01	0.4536
2010-10-01	0.4981
2011-01-01	0.6587
2011-04-01	1.1240
2011-07-01	1.0055
2011-10-01	0.6270
2012-01-01	0.3567
2012-04-01	0.3320
2012-07-01	0.0993
2012-10-01	0.0734
2013-01-01	0.0670
2013-04-01	0.0862
2013-07-01	0.0803
2013-10-01	0.1686
2014-01-01	0.1919
2014-04-01	0.0758
2014-07-01	0.0066
2014-10-01	-0.0301
2015-01-01	-0.0504
2015-04-01	-0.1185
2015-07-01	-0.1357
2015-10-01	-0.1990
2016-01-01	-0.2877
2016-04-01	-0.3325
2016-07-01	-0.3430
2016-10-01	-0.3504
2017-01-01	-0.3535
2017-04-01	-0.3587
2017-07-01	-0.3581
2017-10-01	-0.3423
2018-01-01	-0.3639
2018-04-01	-0.3618
2018-07-01	-0.3627