Quarter	Percent, Seasonally Adjusted
1999-01-01	38.2798884179310
1999-04-01	37.2812028158303
1999-07-01	36.6454879808084
1999-10-01	35.1467260995010
2000-01-01	34.2926293332382
2000-04-01	32.6588093927141
2000-07-01	32.2632086514161
2000-10-01	32.1600340467248
2001-01-01	26.9035289106979
2001-04-01	26.7223580884582
2001-07-01	27.0562218106392
2001-10-01	26.9050482888258
2002-01-01	26.7746887307578
2002-04-01	27.6481659905169
2002-07-01	27.0422244674076
2002-10-01	26.8713593691354
2003-01-01	27.1824875902685
2003-04-01	26.6129723919200
2003-07-01	26.8628080633698
2003-10-01	27.0775857957971
2004-01-01	26.4197366722759
2004-04-01	26.4858823304902
2004-07-01	26.4864421024042
2004-10-01	25.8025743747438
2005-01-01	25.5309734812406
2005-04-01	23.6896230946555
2005-07-01	22.5700583270147
2005-10-01	21.7748478467717
2006-01-01	20.8133775286452
2006-04-01	21.4304614029377
2006-07-01	21.4338733735657
2006-10-01	22.3389115278782
2007-01-01	22.0016333633571
2007-04-01	21.5730793167255
2007-07-01	21.7855356923319
2007-10-01	21.4867759008822
2008-01-01	23.0876787624116
2008-04-01	24.9325086847098
2008-07-01	25.4438637195966
2008-10-01	28.6208912395770
2009-01-01	34.3601220485067
2009-04-01	35.2007735703175
2009-07-01	38.0985505862575
2009-10-01	36.9584685286503
2010-01-01	37.5127953893819
2010-04-01	39.7040694924364
2010-07-01	40.0576992072558
2010-10-01	41.2219071644954
2011-01-01	42.3824468880139
2011-04-01	42.8227950100852
2011-07-01	44.6590644564064
2011-10-01	46.1885927310815
2012-01-01	48.7429997894708
2012-04-01	51.2645964131840
2012-07-01	52.0412909803060
2012-10-01	53.8761960530260
2013-01-01	54.1256716691140
2013-04-01	55.1290962673752
2013-07-01	55.1325537421606
2013-10-01	54.0955091327898
2014-01-01	54.2348919510353
2014-04-01	52.4430467376259
2014-07-01	53.3513543070647
2014-10-01	51.6647569006109
2015-01-01	49.3710133160901
2015-04-01	48.0861239034920
2015-07-01	47.6778720972810
2015-10-01	46.6728970376518
2016-01-01	46.9969690771044
2016-04-01	46.6703135769827
2016-07-01	43.5421577800912
2016-10-01	42.2977824677887
2017-01-01	39.8757058464234
2017-04-01	37.9923459243916
2017-07-01	35.9119344637408
2017-10-01	35.9600507407855
2018-01-01	33.9929382066738
2018-04-01	33.2585419111158
2018-07-01	33.3668321107312