Quarter	Percent, Seasonally Adjusted
1999-01-01	38.7420183430419
1999-04-01	38.7859874648531
1999-07-01	39.1439918255197
1999-10-01	38.7789478393908
2000-01-01	39.0094118665491
2000-04-01	40.0784616718287
2000-07-01	40.0505390143949
2000-10-01	39.4331336554629
2001-01-01	39.3628498882046
2001-04-01	39.0354635768716
2001-07-01	39.1934424188172
2001-10-01	39.0647391503033
2002-01-01	39.0160088308358
2002-04-01	39.3043446572157
2002-07-01	39.7939600149048
2002-10-01	39.7599691854383
2003-01-01	39.6047706274267
2003-04-01	39.5630984314146
2003-07-01	39.5493937613554
2003-10-01	40.4018782414731
2004-01-01	40.0631675742002
2004-04-01	40.6227025690653
2004-07-01	39.5331053070479
2004-10-01	40.7748505642858
2005-01-01	41.3108065452562
2005-04-01	41.5687484856230
2005-07-01	41.0534503154493
2005-10-01	41.4602028679890
2006-01-01	41.1758799751348
2006-04-01	41.3304511947078
2006-07-01	41.7170718722436
2006-10-01	41.9969971771384
2007-01-01	42.0722866041041
2007-04-01	42.3466143816844
2007-07-01	42.4682243631859
2007-10-01	43.5072976994008
2008-01-01	43.6016421266566
2008-04-01	43.0864218534000
2008-07-01	43.6575355342630
2008-10-01	43.0415928843921
2009-01-01	43.1587882906099
2009-04-01	43.1735560442856
2009-07-01	42.9804067318850
2009-10-01	43.2664353510972
2010-01-01	43.9131514026326
2010-04-01	42.8726732932449
2010-07-01	43.4948597554571
2010-10-01	44.3071716254611
2011-01-01	43.2221923394534
2011-04-01	44.1036867176461
2011-07-01	43.6709248068071
2011-10-01	43.6232896974985
2012-01-01	43.2330417967086
2012-04-01	43.2907977680236
2012-07-01	43.8496151723310
2012-10-01	44.0631470043940
2013-01-01	43.4796283720484
2013-04-01	43.5855886973856
2013-07-01	44.6807871807096
2013-10-01	43.7174562813272
2014-01-01	43.7324202586201
2014-04-01	44.4604843727806
2014-07-01	44.5546737680736
2014-10-01	44.2900907296761
2015-01-01	44.4571658915965
2015-04-01	43.9816741299927
2015-07-01	44.2190734395651
2015-10-01	44.4567479734878
2016-01-01	43.9193148968594
2016-04-01	43.5459891795663
2016-07-01	43.8222142086779
2016-10-01	45.3634855209755
2017-01-01	44.5418000077480
2017-04-01	45.1057866888906
2017-07-01	45.5067894705058
2017-10-01	45.9769501326083
2018-01-01	46.3409033997008
2018-04-01	45.9551010180925