Quarter	Percent, Seasonally Adjusted
1999-01-01	14.0418830246039
1999-04-01	14.1233460234688
1999-07-01	14.0417399352817
1999-10-01	12.2644999836935
2000-01-01	12.9743863095268
2000-04-01	13.0309531621415
2000-07-01	13.3998486184668
2000-10-01	12.9463463690879
2001-01-01	13.5787411204944
2001-04-01	13.2125903496760
2001-07-01	15.2576564845926
2001-10-01	14.6530744521709
2002-01-01	14.8111445258522
2002-04-01	15.0047221562104
2002-07-01	15.3731438089523
2002-10-01	15.8400297485404
2003-01-01	16.3579953290860
2003-04-01	14.9169364253048
2003-07-01	16.9434793787598
2003-10-01	16.3723330221354
2004-01-01	14.0071603347497
2004-04-01	12.6337240912142
2004-07-01	14.5517050403978
2004-10-01	13.0261345150025
2005-01-01	13.6567773950342
2005-04-01	13.0583827117664
2005-07-01	13.8751961634327
2005-10-01	13.2154891489222
2006-01-01	11.5939688705193
2006-04-01	11.3181100366609
2006-07-01	12.2336785999421
2006-10-01	11.6762860747238
2007-01-01	10.9486022518273
2007-04-01	11.2276841528722
2007-07-01	12.8301694472225
2007-10-01	12.1745078538277
2008-01-01	10.7848486194358
2008-04-01	10.8906996710750
2008-07-01	12.6211499307649
2008-10-01	13.1251916029597
2009-01-01	13.6421501420590
2009-04-01	13.4370246577366
2009-07-01	14.3801970749079
2009-10-01	14.9466388907917
2010-01-01	12.5135466076046
2010-04-01	12.3978865337052
2010-07-01	12.7380058740369
2010-10-01	12.1144469155409
2011-01-01	12.3111939001186
2011-04-01	12.3577072009236
2011-07-01	13.2843610883510
2011-10-01	12.9169579351732
2012-01-01	11.8238570015692
2012-04-01	12.0848102385013
2012-07-01	13.1797800080842
2012-10-01	12.6356352095682
2013-01-01	12.6508634757104
2013-04-01	13.1178899341762
2013-07-01	13.5197578681125
2013-10-01	14.5644943967447
2014-01-01	12.9203066714092
2014-04-01	13.2746957023684
2014-07-01	14.0472631022426
2014-10-01	14.1764749338957
2015-01-01	13.5157416970433
2015-04-01	13.4932997905508
2015-07-01	14.4574293908285
2015-10-01	15.1780151588178
2016-01-01	13.4987244006528
2016-04-01	13.9043800205586
2016-07-01	14.5762182144308
2016-10-01	13.7874254154094
2017-01-01	13.0711924687050
2017-04-01	13.3228891162081
2017-07-01	14.4423906027939
2017-10-01	13.2837340002702
2018-01-01	12.2084376877444
2018-04-01	12.5999179510441