Quarter	Percent, Seasonally Adjusted
1999-01-01	44.1317269166880
1999-04-01	44.0025918318967
1999-07-01	43.5547098516300
1999-10-01	43.0890477964694
2000-01-01	42.8787985648287
2000-04-01	42.5505544122027
2000-07-01	42.2486046687569
2000-10-01	41.9959790135892
2001-01-01	43.4873490186947
2001-04-01	43.3145701688041
2001-07-01	42.9651877161671
2001-10-01	42.6686379586138
2002-01-01	41.8004937176917
2002-04-01	41.3006399191416
2002-07-01	40.9225254985407
2002-10-01	40.6979101254011
2003-01-01	40.3257289789102
2003-04-01	39.9336908722534
2003-07-01	39.4957018366600
2003-10-01	39.2484694605526
2004-01-01	39.1994909178517
2004-04-01	38.9546976510545
2004-07-01	38.5993704291445
2004-10-01	38.2024628062045
2005-01-01	38.0179504925709
2005-04-01	37.5606295610400
2005-07-01	37.5735781372728
2005-10-01	37.1469975644581
2006-01-01	36.7512834762422
2006-04-01	36.5012236788214
2006-07-01	36.3939596348442
2006-10-01	36.0107043357235
2007-01-01	35.9039265997726
2007-04-01	35.6329942442282
2007-07-01	35.3758437882176
2007-10-01	35.2290188556496
2008-01-01	34.9267447043121
2008-04-01	34.6469600291395
2008-07-01	34.5890835178840
2008-10-01	34.2041857477155
2009-01-01	34.0904719805358
2009-04-01	34.1980803082399
2009-07-01	34.4949958312671
2009-10-01	34.3417236701276
2010-01-01	34.0860672822406
2010-04-01	33.8389778629309
2010-07-01	33.9104044993705
2010-10-01	33.9075476790418
2011-01-01	33.8942799347762
2011-04-01	33.6277196922667
2011-07-01	33.6854391895921
2011-10-01	33.6599828858064
2012-01-01	33.5466159974192
2012-04-01	33.4734055876198
2012-07-01	33.4524741797130
2012-10-01	33.6025793110794
2013-01-01	33.5618585201392
2013-04-01	33.9046875394263
2013-07-01	33.9126450833258
2013-10-01	34.0067390354441
2014-01-01	34.3560845297196
2014-04-01	34.3795634271126
2014-07-01	34.6018184878270
2014-10-01	34.2734935651014
2015-01-01	34.5182369381199
2015-04-01	34.2076123765819
2015-07-01	34.6080183098134
2015-10-01	34.4586492443404
2016-01-01	34.4764387407081
2016-04-01	34.4787046039787
2016-07-01	34.7044559302095
2016-10-01	34.9281151933375
2017-01-01	35.0484994261913
2017-04-01	35.1799784352806
2017-07-01	35.1624844417226
2017-10-01	35.1055933992416
2018-01-01	35.3306391964433
2018-04-01	35.1181928942634
2018-07-01	35.2521795606999