Quarter	Percent, Seasonally Adjusted
1970-01-01	24.2843188191356
1970-04-01	23.8565495548278
1970-07-01	24.1501736748383
1970-10-01	24.4903853628073
1971-01-01	24.3754232460126
1971-04-01	24.8473622373238
1971-07-01	24.9050273031168
1971-10-01	24.8761195577283
1972-01-01	24.8599772226207
1972-04-01	25.0835034427482
1972-07-01	24.7375392944488
1972-10-01	24.4396262827825
1973-01-01	23.9834423927160
1973-04-01	24.4360560144452
1973-07-01	24.3584137096714
1973-10-01	24.0992823426249
1974-01-01	24.4236410416443
1974-04-01	24.6859906620769
1974-07-01	25.0900084301040
1974-10-01	25.1274961309477
1975-01-01	25.3665324940966
1975-04-01	25.2358662043480
1975-07-01	24.9985778699422
1975-10-01	25.1355268781569
1976-01-01	25.0150914664799
1976-04-01	25.0825325860370
1976-07-01	24.6531674758427
1976-10-01	24.6251554784277
1977-01-01	24.4737327139134
1977-04-01	24.1037852994111
1977-07-01	24.0664332824227
1977-10-01	23.9733150486589
1978-01-01	23.7555218674819
1978-04-01	23.4175933616557
1978-07-01	23.5040300066023
1978-10-01	23.2879373919621
1979-01-01	23.1983054703495
1979-04-01	23.0880857237403
1979-07-01	22.9029109297492
1979-10-01	22.8095701763613
1980-01-01	22.9260114956751
1980-04-01	22.9080476300565
1980-07-01	22.7158433470643
1980-10-01	22.6925977795460
1981-01-01	22.7263388061599
1981-04-01	22.6170476469818
1981-07-01	22.6682752109220
1981-10-01	22.2810081590662
1982-01-01	21.9941616643441
1982-04-01	22.1031699486420
1982-07-01	22.3141283827846
1982-10-01	21.7080390777307
1983-01-01	21.3000611472903
1983-04-01	21.3545972426792
1983-07-01	21.0603579089796
1983-10-01	21.2558351990221
1984-01-01	21.3067612366862
1984-04-01	21.1081296921327
1984-07-01	20.8516700330293
1984-10-01	20.7161409962175
1985-01-01	20.9649741412187
1985-04-01	20.9299605227288
1985-07-01	20.7605079871407
1985-10-01	20.9323724890196
1986-01-01	20.7351678180134
1986-04-01	20.6655767657524
1986-07-01	20.5018680670092
1986-10-01	20.7979718908224
1987-01-01	20.6536812236342
1987-04-01	20.3711964153770
1987-07-01	20.2324245830511
1987-10-01	20.2087648806107
1988-01-01	20.0587806050010
1988-04-01	19.8963266460085
1988-07-01	19.7331461048704
1988-10-01	19.8965763187431
1989-01-01	19.5723773020905
1989-04-01	19.1773289911768
1989-07-01	19.2048655205574
1989-10-01	19.2406886769309
1990-01-01	18.7198819759451
1990-04-01	18.8710923709846
1990-07-01	18.8738896911184
1990-10-01	18.8277034964480
1991-01-01	18.3914595072157
1991-04-01	18.5655459607589
1991-07-01	18.4402496226798
1991-10-01	18.0391885046556
1992-01-01	18.1176853031016
1992-04-01	18.3318311981246
1992-07-01	18.4513999572307
1992-10-01	17.8426146748256
1993-01-01	18.5319637726120
1993-04-01	18.3780649156605
1993-07-01	18.4719559257605
1993-10-01	18.0922048435993
1994-01-01	18.4698660803721
1994-04-01	18.2667014741558
1994-07-01	18.6205475836698
1994-10-01	18.6134730337806
1995-01-01	18.6328524262036
1995-04-01	18.5075658925682
1995-07-01	18.3170706340187
1995-10-01	18.5621785825571
1996-01-01	18.3165184751823
1996-04-01	18.1940428064740
1996-07-01	17.9644490669094
1996-10-01	18.1130886160049
1997-01-01	17.6210993910159
1997-04-01	17.6027389414616
1997-07-01	17.6639034001547
1997-10-01	17.7921192447066
1998-01-01	17.6700444930094
1998-04-01	17.8677302557380
1998-07-01	17.8671479631311
1998-10-01	18.0166750756379
1999-01-01	18.0698880946681
1999-04-01	18.0483395257740
1999-07-01	17.8296739097408
1999-10-01	17.8873084015331
2000-01-01	18.1797745858324
2000-04-01	17.8673270593115
2000-07-01	17.9648339237516
2000-10-01	17.8569239669865
2001-01-01	17.6103483131565
2001-04-01	17.8257274761506
2001-07-01	17.8684683238866
2001-10-01	17.7248648947380
2002-01-01	17.9136573015814
2002-04-01	18.1759776902491
2002-07-01	17.8799384216719
2002-10-01	17.5591181188873
2003-01-01	17.8441161779307
2003-04-01	17.7123810648690
2003-07-01	17.7591277344629
2003-10-01	17.5452171011958
2004-01-01	17.5613464066010
2004-04-01	17.7292374937163
2004-07-01	17.5502010289284
2004-10-01	17.7537123176468
2005-01-01	17.4717245880527
2005-04-01	17.3674559356982
2005-07-01	17.3070672978711
2005-10-01	17.4198562003875
2006-01-01	17.1384798468208
2006-04-01	17.0474909616527
2006-07-01	17.0009442605806
2006-10-01	16.9918422825921
2007-01-01	16.8953714507246
2007-04-01	16.4171754128583
2007-07-01	16.7466872852397
2007-10-01	16.4146308753434
2008-01-01	16.4971539039105
2008-04-01	16.5687291531062
2008-07-01	16.5797866061380
2008-10-01	16.2987290246049
2009-01-01	16.1238254815100
2009-04-01	16.4270724181936
2009-07-01	15.9457825737869
2009-10-01	15.9757819979452
2010-01-01	15.8625481414052
2010-04-01	15.9519657721217
2010-07-01	15.7477880623100
2010-10-01	15.8855461193182
2011-01-01	15.5698965164609
2011-04-01	15.5304122145690
2011-07-01	15.7965538902756
2011-10-01	15.9023005740967
2012-01-01	16.0708569732083
2012-04-01	15.7595573768335
2012-07-01	15.9733197212464
2012-10-01	15.8997454871028
2013-01-01	15.4219654749683
2013-04-01	15.1237889974406
2013-07-01	15.1987845734802
2013-10-01	14.8332469882699
2014-01-01	14.9320846844270
2014-04-01	14.7327677049558
2014-07-01	14.7657211398658
2014-10-01	14.5023555645679
2015-01-01	14.4522687574052
2015-04-01	14.6032704521621
2015-07-01	14.3594750151762
2015-10-01	14.3004103111913
2016-01-01	14.0129209711920
2016-04-01	14.1150363913671
2016-07-01	13.7165278289589
2016-10-01	13.6579096011669
2017-01-01	13.6365531298692
2017-04-01	13.4769324776137
2017-07-01	13.2807733538758
2017-10-01	12.9538676337634
2018-01-01	12.7212838014944
2018-04-01	12.6750963793705
2018-07-01	12.4277600453184