Quarter	Percent, Seasonally Adjusted
1998-01-01	24.2656690370102
1998-04-01	25.8678232454873
1998-07-01	23.6023195245694
1998-10-01	23.9117988534272
1999-01-01	23.7178825940371
1999-04-01	22.9670609992370
1999-07-01	23.4771698246966
1999-10-01	23.2223513560678
2000-01-01	23.0990286849522
2000-04-01	22.5312624991538
2000-07-01	22.7751857232243
2000-10-01	22.9426344854503
2001-01-01	22.6230470581528
2001-04-01	22.3790066269711
2001-07-01	22.4608462683461
2001-10-01	22.2747649064397
2002-01-01	23.0084996833947
2002-04-01	22.6412806935565
2002-07-01	23.0074036372952
2002-10-01	23.1796232031311
2003-01-01	23.4000835528714
2003-04-01	22.9790513636076
2003-07-01	22.8983858076740
2003-10-01	23.6278032504962
2004-01-01	23.4050626527594
2004-04-01	23.7041364265840
2004-07-01	23.5333809948006
2004-10-01	23.5775532222974
2005-01-01	23.3652834839496
2005-04-01	23.5167920898831
2005-07-01	23.8076732179210
2005-10-01	22.9226471179465
2006-01-01	22.7778604752553
2006-04-01	23.3531140136403
2006-07-01	22.4810984354858
2006-10-01	22.8229083004055
2007-01-01	23.2826796352394
2007-04-01	22.7634848771212
2007-07-01	22.3348487886783
2007-10-01	22.6348605547930
2008-01-01	22.2635879176870
2008-04-01	21.5623004447601
2008-07-01	22.2550670705024
2008-10-01	22.1284045707226
2009-01-01	22.9709677463931
2009-04-01	23.2627934242082
2009-07-01	24.1705187013119
2009-10-01	24.0181838550018
2010-01-01	23.3894948062490
2010-04-01	23.7850740987311
2010-07-01	23.5092542762343
2010-10-01	23.5357267234549
2011-01-01	22.8312148980188
2011-04-01	22.7060910001866
2011-07-01	23.0103143247830
2011-10-01	22.6096914842010
2012-01-01	22.9547078700068
2012-04-01	22.9501792235072
2012-07-01	22.9113248330379
2012-10-01	22.9309883852838
2013-01-01	23.3352968204126
2013-04-01	22.7208879946251
2013-07-01	22.9516692636086
2013-10-01	23.6039200138348
2014-01-01	23.2176711097790
2014-04-01	23.1851833645458
2014-07-01	23.6203851997086
2014-10-01	22.6335710273777
2015-01-01	22.7843620609897
2015-04-01	23.1074898233527
2015-07-01	22.5737419339539
2015-10-01	22.8799504487273
2016-01-01	22.3235330372560
2016-04-01	22.1567420771824
2016-07-01	22.4095599327382
2016-10-01	22.2298100344337
2017-01-01	22.1243627853587
2017-04-01	21.7897031345434
2017-07-01	21.3055241777921
2017-10-01	20.6933215046208
2018-01-01	20.6588869472470
2018-04-01	20.8179470448719