Quarter	Percent, Seasonally Adjusted
1999-01-01	34.0082761906069
1999-04-01	34.0420494710772
1999-07-01	33.7649787737188
1999-10-01	34.2192576024578
2000-01-01	34.1886567409456
2000-04-01	34.3369382316411
2000-07-01	34.8757903157051
2000-10-01	34.4457658050548
2001-01-01	34.2067452380117
2001-04-01	34.7318760069314
2001-07-01	33.8649930136209
2001-10-01	33.4339850076856
2002-01-01	34.6113187417362
2002-04-01	34.2536881908179
2002-07-01	34.5024895489794
2002-10-01	34.5562893450454
2003-01-01	34.7364986884826
2003-04-01	34.4186729086435
2003-07-01	34.2810774286087
2003-10-01	34.5419740056106
2004-01-01	34.2055123682180
2004-04-01	33.9746685289386
2004-07-01	33.3721521906941
2004-10-01	34.3243589482465
2005-01-01	34.0711949888168
2005-04-01	34.5770241995799
2005-07-01	34.6657473112045
2005-10-01	34.0902249979594
2006-01-01	34.1942249873136
2006-04-01	34.2239422995520
2006-07-01	33.9802538445672
2006-10-01	33.8695419785712
2007-01-01	33.6366638460733
2007-04-01	34.1732324416976
2007-07-01	34.6243564250373
2007-10-01	34.7123275240611
2008-01-01	34.4946220828966
2008-04-01	33.9156527310606
2008-07-01	33.8467363263276
2008-10-01	33.7559011128698
2009-01-01	34.1240056231170
2009-04-01	34.3344130542364
2009-07-01	34.5859966757254
2009-10-01	35.6138317590677
2010-01-01	35.3188096324226
2010-04-01	35.3402326363142
2010-07-01	35.9016092012871
2010-10-01	35.9770829641741
2011-01-01	35.8898486324764
2011-04-01	35.9447675540095
2011-07-01	36.0424904772076
2011-10-01	36.3833582684599
2012-01-01	36.4305970075289
2012-04-01	36.4566823752369
2012-07-01	37.2318973058064
2012-10-01	37.2440897755348
2013-01-01	37.3438913798838
2013-04-01	37.5151385992184
2013-07-01	37.6163622189448
2013-10-01	38.0979179520212
2014-01-01	38.2271573672172
2014-04-01	38.1764823455185
2014-07-01	37.5597762170575
2014-10-01	37.2858149921160
2015-01-01	37.5504925524575
2015-04-01	37.9365118098858
2015-07-01	38.1289644283574
2015-10-01	37.5116635628742
2016-01-01	36.4369290838408
2016-04-01	36.1197229092559
2016-07-01	36.5836481968638
2016-10-01	36.6386406918385
2017-01-01	37.6960205867339
2017-04-01	37.8589889985543
2017-07-01	37.6157096899187
2017-10-01	37.7596888477634
2018-01-01	37.7041791387342
2018-04-01	37.2745761927980