Quarter	Percent, Seasonally Adjusted
1998-01-01	29.2934214493799
1998-04-01	30.3331071517364
1998-07-01	29.5354544694744
1998-10-01	30.0743121693068
1999-01-01	30.2054902882616
1999-04-01	28.7580157101151
1999-07-01	29.0868653144756
1999-10-01	28.8740462988487
2000-01-01	28.2137651191087
2000-04-01	28.5311668885709
2000-07-01	27.7032701366459
2000-10-01	26.1017604713017
2001-01-01	25.3798134846347
2001-04-01	25.0643023370858
2001-07-01	25.1099808922411
2001-10-01	24.5262790650409
2002-01-01	24.6617399031349
2002-04-01	24.0841792783416
2002-07-01	24.2723421514205
2002-10-01	23.0465943626042
2003-01-01	25.0722004483674
2003-04-01	24.1543231175070
2003-07-01	24.0025740913834
2003-10-01	23.5801625027368
2004-01-01	19.6619710197259
2004-04-01	21.5892954484357
2004-07-01	20.3443521119936
2004-10-01	20.8675421609421
2005-01-01	22.2273346460861
2005-04-01	21.6677441253464
2005-07-01	21.7531681000949
2005-10-01	20.7940902710217
2006-01-01	20.3432670144297
2006-04-01	18.8969285641340
2006-07-01	18.9145544523556
2006-10-01	18.7752917514444
2007-01-01	17.8729679455748
2007-04-01	17.9089401620944
2007-07-01	18.3744248543781
2007-10-01	19.2757771851669
2008-01-01	17.3196917946960
2008-04-01	18.3011786040021
2008-07-01	19.7775396100499
2008-10-01	20.0067246122229
2009-01-01	21.7738758436133
2009-04-01	22.1583335225401
2009-07-01	23.9698868019957
2009-10-01	24.8934269199151
2010-01-01	26.7859595722676
2010-04-01	28.1688236501249
2010-07-01	26.1805100454451
2010-10-01	26.3682891264636
2011-01-01	26.0180845674190
2011-04-01	24.9249615596562
2011-07-01	27.7042096915764
2011-10-01	29.7132270170017
2012-01-01	31.4616355363203
2012-04-01	33.9019958710694
2012-07-01	33.5384949150258
2012-10-01	36.1737052927120
2013-01-01	39.0631979157175
2013-04-01	37.9127778547877
2013-07-01	39.9221371646623
2013-10-01	39.1907268786855
2014-01-01	42.1710138163067
2014-04-01	41.9755440460874
2014-07-01	41.5425830154336
2014-10-01	39.4239699337581
2015-01-01	39.6931015654959
2015-04-01	40.0718125302635
2015-07-01	37.2944050197300
2015-10-01	38.1306256164417
2016-01-01	37.5753751211657
2016-04-01	35.4691439289831
2016-07-01	35.4619274054325
2016-10-01	37.3213687601055
2017-01-01	33.8669913666858
2017-04-01	33.5997672267315
2017-07-01	33.3712034169879
2017-10-01	31.1067388222380
2018-01-01	29.6375519692612
2018-04-01	30.3339617351599