Quarter	Percent, Seasonally Adjusted
2000-01-01	61.1711097914521
2000-04-01	61.4618286158579
2000-07-01	61.6058050363348
2000-10-01	61.4089299977049
2001-01-01	61.4140854255529
2001-04-01	61.5796814727516
2001-07-01	61.4449405715730
2001-10-01	61.7078428637153
2002-01-01	61.4867585908121
2002-04-01	61.4886462526006
2002-07-01	61.3644796774047
2002-10-01	61.2143226865627
2003-01-01	61.2637468572932
2003-04-01	61.1051971889925
2003-07-01	60.7474386631546
2003-10-01	60.4631541935762
2004-01-01	60.4114556537006
2004-04-01	60.4709241787345
2004-07-01	60.6365457446700
2004-10-01	60.4607213455691
2005-01-01	60.7315547299318
2005-04-01	60.6957628086533
2005-07-01	60.5574784483342
2005-10-01	60.9929200583610
2006-01-01	61.0561931274070
2006-04-01	60.8678615972965
2006-07-01	61.1100153866312
2006-10-01	61.0842956220932
2007-01-01	61.0589305731242
2007-04-01	61.0753646567571
2007-07-01	61.3690305165064
2007-10-01	61.4374392078320
2008-01-01	61.4658143214604
2008-04-01	61.5896223852860
2008-07-01	61.3593247157516
2008-10-01	61.4980715597928
2009-01-01	60.9022756280229
2009-04-01	60.6595597481511
2009-07-01	60.1990778798363
2009-10-01	60.1872690166579
2010-01-01	60.0465739379160
2010-04-01	59.9524531340599
2010-07-01	59.9947595881215
2010-10-01	59.8332922024730
2011-01-01	59.8692923091672
2011-04-01	59.9561855292061
2011-07-01	59.9275602521912
2011-10-01	59.8731146727267
2012-01-01	59.7980946641519
2012-04-01	59.7261369388838
2012-07-01	60.0587369157674
2012-10-01	59.4056818656934
2013-01-01	59.4109581871179
2013-04-01	59.2619896119499
2013-07-01	58.9148821901098
2013-10-01	58.9754218590056
2014-01-01	58.8950286465762
2014-04-01	59.0230093204510
2014-07-01	58.8681446614142
2014-10-01	58.9884399711965
2015-01-01	58.9228390134013
2015-04-01	58.8631181677442
2015-07-01	59.1124437146382
2015-10-01	58.8632818921658
2016-01-01	58.7689924907552
2016-04-01	58.5454624096349
2016-07-01	58.6125481773400
2016-10-01	58.5078671327669
2017-01-01	58.5805799192512
2017-04-01	58.7576070578958
2017-07-01	58.7955449791920
2017-10-01	59.3954153774530
2018-01-01	59.5368123129516
2018-04-01	59.3907573746117