Quarter	Percent, Seasonally Adjusted
1980-01-01	13.9966302180043
1980-04-01	14.7596746364309
1980-07-01	14.6489704787894
1980-10-01	15.5416170286059
1981-01-01	13.8074408396062
1981-04-01	14.8801652892562
1981-07-01	15.1640667780570
1981-10-01	14.1337650348528
1982-01-01	15.1749762660818
1982-04-01	14.8291386818215
1982-07-01	15.5358828408798
1982-10-01	13.5659455687369
1983-01-01	13.7286796486499
1983-04-01	15.9173271264842
1983-07-01	13.5462790484625
1983-10-01	15.0047483380817
1984-01-01	13.9736834358718
1984-04-01	13.2163823468472
1984-07-01	13.8051610105172
1984-10-01	15.3327821413807
1985-01-01	13.3590569362581
1985-04-01	12.8740289457959
1985-07-01	13.7105267174407
1985-10-01	14.4032612292789
1986-01-01	12.0694541051601
1986-04-01	12.3536027775740
1986-07-01	12.4323928357772
1986-10-01	12.5534045393858
1987-01-01	12.5681818181818
1987-04-01	10.3539478080107
1987-07-01	10.8881708422199
1987-10-01	11.4869866830806
1988-01-01	11.6402161498730
1988-04-01	11.3601739356775
1988-07-01	11.8679110250052
1988-10-01	12.1171003325436
1989-01-01	12.6662011173184
1989-04-01	13.2200895713372
1989-07-01	13.7095741372055
1989-10-01	14.1754873040662
1990-01-01	14.3573884390101
1990-04-01	14.1362351611080
1990-07-01	14.2600961591845
1990-10-01	13.6494786459077
1991-01-01	13.0327335790158
1991-04-01	13.5965706695647
1991-07-01	15.2314321456702
1991-10-01	14.8956677000702
1992-01-01	14.7572428116030
1992-04-01	14.8273039052993
1992-07-01	16.3663283761116
1992-10-01	16.1875849856117
1993-01-01	15.7946113034283
1993-04-01	15.3476901583624
1993-07-01	16.7665654704758
1993-10-01	17.4087882053251
1994-01-01	16.5297038517082
1994-04-01	16.0062365249099
1994-07-01	17.0729252701643
1994-10-01	16.0176702577323
1995-01-01	17.0860744748915
1995-04-01	16.2618850499056
1995-07-01	17.8083672938747
1995-10-01	17.1946652351495
1996-01-01	17.4451991242575
1996-04-01	17.2135285209490
1996-07-01	17.9065432160648
1996-10-01	17.2177716552015
1997-01-01	17.3396064418931
1997-04-01	17.8101955755050
1997-07-01	19.3111019232688
1997-10-01	16.0836378197107
1998-01-01	19.7631652067095
1998-04-01	21.1948891008069
1998-07-01	23.9433489874224
1998-10-01	22.8445168353315
1999-01-01	21.0263431623094
1999-04-01	20.4496643471644
1999-07-01	19.1315387056753
1999-10-01	19.0136341920547
2000-01-01	17.0274802801021
2000-04-01	17.8615254678034
2000-07-01	18.6274198499137
2000-10-01	18.2044377648360
2001-01-01	17.4774900852544
2001-04-01	19.4535781184341
2001-07-01	20.8427111828330
2001-10-01	20.6818632692857
2002-01-01	20.9038006239720
2002-04-01	19.7997143925436
2002-07-01	21.1226145487663
2002-10-01	19.2627670301651
2003-01-01	18.4986721590995
2003-04-01	18.6519867793460
2003-07-01	20.9721198439756
2003-10-01	18.5676873384790
2004-01-01	18.1859681212851
2004-04-01	17.5205164645299
2004-07-01	19.9555840950793
2004-10-01	19.9222938590867
2005-01-01	19.7263145826338
2005-04-01	18.7259296266300
2005-07-01	19.6171574823451
2005-10-01	18.5364159772323
2006-01-01	19.1382276258142
2006-04-01	18.1375532562386
2006-07-01	18.4616863568519
2006-10-01	19.5218082258765
2007-01-01	19.8177896121193
2007-04-01	18.4536199905566
2007-07-01	20.3023751990489
2007-10-01	19.5565868058404
2008-01-01	19.1500105792472
2008-04-01	18.4627233518176
2008-07-01	18.3997946695051
2008-10-01	19.6981955174529
2009-01-01	21.0161788031723
2009-04-01	20.9385512175722
2009-07-01	20.1272282111908
2009-10-01	20.6795315764863
2010-01-01	19.6546480114798
2010-04-01	18.0965576210533
2010-07-01	18.8402628573945
2010-10-01	19.3741750950879
2011-01-01	15.9263477843545
2011-04-01	14.5983163841939
2011-07-01	15.7989962750221
2011-10-01	16.1560236349973
2012-01-01	15.9109685370665
2012-04-01	15.2960966881315
2012-07-01	16.9224795606471
2012-10-01	17.5455253098265
2013-01-01	17.2542156721186
2013-04-01	16.1277431313718
2013-07-01	17.2163355576546
2013-10-01	17.6690587375237
2014-01-01	17.6787481037885
2014-04-01	17.7173207391953
2014-07-01	18.3148911113082
2014-10-01	18.6864592574464
2015-01-01	21.4275897700473
2015-04-01	20.2590987587854
2015-07-01	21.2715196087869
2015-10-01	21.5601455971477
2016-01-01	23.7495834235200
2016-04-01	22.5401126123539
2016-07-01	22.5706697094572
2016-10-01	20.5133754464655
2017-01-01	20.9441957700413
2017-04-01	19.6665874309517
2017-07-01	21.5037572262288
2017-10-01	22.0019026396643
2018-01-01	20.6912657047825
2018-04-01	19.6749267729380
2018-07-01	20.7302797483811