Quarter	Percent, Seasonally Adjusted
1999-07-01	48.6037120577470
1999-10-01	48.2858005879963
2000-01-01	48.2633559956973
2000-04-01	48.1921929166208
2000-07-01	47.6464288479493
2000-10-01	47.6446227396625
2001-01-01	47.6748797341955
2001-04-01	47.1179303691913
2001-07-01	47.0846895173678
2001-10-01	46.7140800650906
2002-01-01	46.4194474983651
2002-04-01	46.2939679541826
2002-07-01	46.4184325719881
2002-10-01	46.6650613695326
2003-01-01	47.2320046356731
2003-04-01	47.1684780133645
2003-07-01	46.9312442553880
2003-10-01	46.6714314643963
2004-01-01	45.7456135727193
2004-04-01	45.7934018343387
2004-07-01	45.7490434440368
2004-10-01	45.6664625855853
2005-01-01	45.7025734065726
2005-04-01	45.6266577154522
2005-07-01	45.3726295894658
2005-10-01	45.1313092306420
2006-01-01	45.0293463157539
2006-04-01	45.1101013805543
2006-07-01	45.1504164854437
2006-10-01	45.0247080629664
2007-01-01	45.0592882370544
2007-04-01	45.1421097257152
2007-07-01	45.1629622048871
2007-10-01	44.9609243876491
2008-01-01	45.0246331069976
2008-04-01	44.9947773770885
2008-07-01	45.3103625510269
2008-10-01	45.3505306941628
2009-01-01	45.9068578456087
2009-04-01	46.0786911508466
2009-07-01	45.9786255821038
2009-10-01	46.0086678881129
2010-01-01	45.4719662314051
2010-04-01	45.5596911759426
2010-07-01	45.3569108599850
2010-10-01	45.4316118008894
2011-01-01	45.2337384476547
2011-04-01	44.9624832583139
2011-07-01	45.2446443469204
2011-10-01	44.9849674522479
2012-01-01	44.7893479717220
2012-04-01	44.6049525651331
2012-07-01	44.8126562144308
2012-10-01	44.8481202919216
2013-01-01	44.9754082054414
2013-04-01	44.5097426671371
2013-07-01	44.1599373582995
2013-10-01	43.8334679578909
2014-01-01	43.2496019681469
2014-04-01	42.9847979172281
2014-07-01	42.8156227651862
2014-10-01	42.6828776527545
2015-01-01	42.4082527366909
2015-04-01	42.2978821062478
2015-07-01	42.0629921653184
2015-10-01	41.8269164011940
2016-01-01	41.8468311181091
2016-04-01	41.9210931530085
2016-07-01	41.6015258670622
2016-10-01	41.4306273546033
2017-01-01	41.1474504981912
2017-04-01	41.0563226226273
2017-07-01	40.9536848905471
2017-10-01	40.8442463420419
2018-01-01	40.7544088163342
2018-04-01	40.5947543329919
2018-07-01	40.4702224093376