Quarter	Percent, Seasonally Adjusted
1998-01-01	34.6206371542145
1998-04-01	34.6429129601230
1998-07-01	34.4427361187709
1998-10-01	34.5432732281386
1999-01-01	34.6438753195367
1999-04-01	35.0103325447083
1999-07-01	35.1560063846978
1999-10-01	35.0630886478194
2000-01-01	35.2809064570550
2000-04-01	35.1841633022330
2000-07-01	35.2464378955911
2000-10-01	35.3879155466616
2001-01-01	35.8559043709503
2001-04-01	35.8906147879237
2001-07-01	35.9397448777318
2001-10-01	35.9988326767674
2002-01-01	36.1675386930662
2002-04-01	35.8864637339516
2002-07-01	35.8350238410248
2002-10-01	35.7183956411388
2003-01-01	35.4749784390537
2003-04-01	35.6736075199808
2003-07-01	35.7209862081704
2003-10-01	35.7638074153354
2004-01-01	35.6069757814493
2004-04-01	35.5126738825381
2004-07-01	35.7615275048551
2004-10-01	35.6995934650156
2005-01-01	35.6747005456778
2005-04-01	35.7030675727964
2005-07-01	35.7711463703464
2005-10-01	35.6685936302719
2006-01-01	35.4833440362814
2006-04-01	35.6636098517230
2006-07-01	35.7429551392093
2006-10-01	35.6929212969805
2007-01-01	35.8558811253329
2007-04-01	35.9781809626302
2007-07-01	35.7650086759620
2007-10-01	35.7709238734066
2008-01-01	35.7179006425518
2008-04-01	35.7188108770335
2008-07-01	35.9006487275894
2008-10-01	35.9654798801493
2009-01-01	35.9728103575802
2009-04-01	35.9805176787670
2009-07-01	35.8767172649745
2009-10-01	36.0439837355974
2010-01-01	36.0218131769802
2010-04-01	36.3680235615909
2010-07-01	36.6223310280425
2010-10-01	36.7645278610260
2011-01-01	37.2526931837273
2011-04-01	37.6149593478822
2011-07-01	38.0315266467146
2011-10-01	38.4280630921571
2012-01-01	38.5226206517132
2012-04-01	38.7257196758898
2012-07-01	38.9106897474529
2012-10-01	38.7298059154328
2013-01-01	39.0063020162423
2013-04-01	38.9315684605050
2013-07-01	39.1021350977418
2013-10-01	39.3038229648013
2014-01-01	39.4038010713150
2014-04-01	39.7966222833916
2014-07-01	39.9853118168634
2014-10-01	40.3205441393715
2015-01-01	40.4085366794321
2015-04-01	40.3277273286345
2015-07-01	40.1393988426418
2015-10-01	39.9807769386914
2016-01-01	40.1706884779177
2016-04-01	40.1429395837129
2016-07-01	40.1471975260564
2016-10-01	40.2814268753244
2017-01-01	40.1467785069684
2017-04-01	39.9945138759309
2017-07-01	39.8823110834435
2017-10-01	40.0757216418620
2018-01-01	40.0763517669174
2018-04-01	39.9813093241774