Quarter	Percent, Seasonally Adjusted
1998-01-01	32.4030298845871
1998-04-01	32.6542047387342
1998-07-01	32.9174600408296
1998-10-01	33.0436518718706
1999-01-01	33.4818541701231
1999-04-01	32.7615102991104
1999-07-01	32.7442965924528
1999-10-01	32.8012467710807
2000-01-01	32.8861818269731
2000-04-01	33.1874832740160
2000-07-01	33.5330377525304
2000-10-01	33.8158882865127
2001-01-01	33.5361919347511
2001-04-01	32.9298671755855
2001-07-01	33.0674725421450
2001-10-01	32.6578857467981
2002-01-01	33.1181780665386
2002-04-01	33.6763988766692
2002-07-01	34.0470798289889
2002-10-01	34.3346169002409
2003-01-01	34.4193813195740
2003-04-01	34.6233168949580
2003-07-01	34.7614997512711
2003-10-01	34.8048254345608
2004-01-01	34.9583422638731
2004-04-01	35.1363554949422
2004-07-01	35.1919945487529
2004-10-01	35.3719594134096
2005-01-01	35.3703542883523
2005-04-01	35.5078734673254
2005-07-01	35.6648353999799
2005-10-01	35.9943076112881
2006-01-01	36.3371258079193
2006-04-01	36.4589676706673
2006-07-01	36.9236946148920
2006-10-01	36.6780004783985
2007-01-01	36.6625808729862
2007-04-01	36.8366325574583
2007-07-01	36.9392712520605
2007-10-01	37.1021168903559
2008-01-01	37.2512600881007
2008-04-01	37.5349593489978
2008-07-01	37.6267279274519
2008-10-01	37.7473590199253
2009-01-01	37.7881262199650
2009-04-01	37.7627167203675
2009-07-01	37.7417485138301
2009-10-01	37.5878425716059
2010-01-01	37.3740192828959
2010-04-01	37.1670390773579
2010-07-01	36.7734938369128
2010-10-01	36.2036412394850
2011-01-01	35.5914541065749
2011-04-01	34.6950072564349
2011-07-01	33.9498697598966
2011-10-01	33.1997514541871
2012-01-01	32.5520935780501
2012-04-01	31.7322604413658
2012-07-01	31.1025808446238
2012-10-01	30.9151392388607
2013-01-01	30.4622521959210
2013-04-01	30.0858409498043
2013-07-01	29.8286687211854
2013-10-01	29.7706159073877
2014-01-01	30.6397164790841
2014-04-01	30.5593218568033
2014-07-01	30.8786891261132
2014-10-01	31.1140741662603
2015-01-01	31.3019403393297
2015-04-01	31.9084283379776
2015-07-01	31.9003741233096
2015-10-01	32.2195925837186
2016-01-01	32.2628178803822
2016-04-01	32.3334861138066
2016-07-01	32.5614442192779
2016-10-01	32.3115533742901
2017-01-01	32.8670835329502
2017-04-01	33.1902536659169
2017-07-01	33.1504026097995
2017-10-01	33.0946560946701
2018-01-01	33.1948026100412
2018-04-01	33.5195742950606