Quarter	Percent
2005-01-01	6.54686498947767
2005-04-01	6.20688257869734
2005-07-01	6.28640014464545
2005-10-01	6.25042630946139
2006-01-01	6.19293682949065
2006-04-01	5.66929968342449
2006-07-01	5.77039401600439
2006-10-01	5.48089541672018
2007-01-01	5.50821500424216
2007-04-01	5.13336151433281
2007-07-01	5.30231940093074
2007-10-01	5.14755443205103
2008-01-01	5.34041268698206
2008-04-01	5.18267664077510
2008-07-01	5.45983974453496
2008-10-01	5.66903899221657
2009-01-01	6.73598046857541
2009-04-01	6.81552122822147
2009-07-01	7.29171049706106
2009-10-01	7.12746445817583
2010-01-01	7.60896247845700
2010-04-01	7.26406849765266
2010-07-01	7.43886578871288
2010-10-01	7.29888953871619
2011-01-01	7.40499369698198
2011-04-01	7.14457036030099
2011-07-01	7.42472553855750
2011-10-01	7.28467175040954
2012-01-01	7.65080915889809
2012-04-01	7.31188329690840
2012-07-01	7.53815472691223
2012-10-01	7.44190421836275
2013-01-01	7.75202087166960
2013-04-01	7.40143786355640
2013-07-01	7.38460371366167
2013-10-01	7.21286985144345
2014-01-01	7.38590135437263
2014-04-01	6.98617026278892
2014-07-01	7.08637578807041
2014-10-01	6.81510600297650
2015-01-01	6.83275137034230
2015-04-01	6.54433914957605
2015-07-01	6.43939916065501
2015-10-01	6.32720322314518
2016-01-01	6.41872001881327
2016-04-01	6.07084660529449
2016-07-01	6.19242916184329
2016-10-01	5.97675835207102
2017-01-01	6.07962587664695
2017-04-01	5.62012651138893
2017-07-01	5.66133476362442
2017-10-01	5.35468138045434
2018-01-01	5.51294937424649
2018-04-01	5.08829777016868