Quarter	Percent
2005-01-01	7.02454743440995
2005-04-01	6.35766493009625
2005-07-01	6.06482804400881
2005-10-01	6.08271527887717
2006-01-01	6.52843116978054
2006-04-01	5.79126409117600
2006-07-01	5.56246856694053
2006-10-01	5.52768144075861
2007-01-01	5.95040321960168
2007-04-01	5.26744448896097
2007-07-01	5.17587708556427
2007-10-01	5.27210076334767
2008-01-01	5.83801598131930
2008-04-01	5.51301744301350
2008-07-01	5.71673483830266
2008-10-01	6.47110992007146
2009-01-01	8.32896561839575
2009-04-01	8.46049257345652
2009-07-01	8.46791795869368
2009-10-01	8.61413084472211
2010-01-01	9.49937677876729
2010-04-01	8.51563841949845
2010-07-01	8.14855432619310
2010-10-01	8.17216348174352
2011-01-01	8.58421626038876
2011-04-01	7.88510604438018
2011-07-01	7.68194884641373
2011-10-01	7.74751737329846
2012-01-01	8.36588112242258
2012-04-01	7.80629275139659
2012-07-01	7.63496712868196
2012-10-01	7.76250499481846
2013-01-01	8.49097322523139
2013-04-01	7.85492983360998
2013-07-01	7.65129440881850
2013-10-01	7.46961248697225
2014-01-01	7.99993262477504
2014-04-01	7.22170587899371
2014-07-01	7.00374705289655
2014-10-01	6.91986985501362
2015-01-01	7.34313176812212
2015-04-01	6.69799403191563
2015-07-01	6.39909630879920
2015-10-01	6.40009242343224
2016-01-01	6.74247810918474
2016-04-01	6.16533551490064
2016-07-01	6.04238698108546
2016-10-01	6.02276870654445
2017-01-01	6.29918895763262
2017-04-01	5.58533997954365
2017-07-01	5.40089198456971
2017-10-01	5.30175246359118
2018-01-01	5.57717337934310
2018-04-01	5.13759584609079
2018-07-01	5.00017999554513