Quarter	Percent, Seasonally Adjusted
1970-01-01	2.49757250124934
1970-04-01	2.49033562115998
1970-07-01	2.58834686294243
1970-10-01	2.34415017609766
1971-01-01	2.11527373253304
1971-04-01	2.25697854299028
1971-07-01	2.55012321379923
1971-10-01	2.35298104480093
1972-01-01	2.30489567729841
1972-04-01	2.33864420899881
1972-07-01	2.23446241550009
1972-10-01	2.35098868310983
1973-01-01	2.14030444802293
1973-04-01	2.10852487998183
1973-07-01	2.11197307853237
1973-10-01	2.15543293181981
1974-01-01	2.20414727405060
1974-04-01	2.10937671871265
1974-07-01	2.32673102828054
1974-10-01	2.19416955599720
1975-01-01	2.44762931787299
1975-04-01	2.54309356934294
1975-07-01	2.46939473864017
1975-10-01	2.20993317886922
1976-01-01	2.51247904512780
1976-04-01	2.46817327396922
1976-07-01	2.50928824599536
1976-10-01	2.21553414916997
1977-01-01	2.50607401898202
1977-04-01	2.53480984498512
1977-07-01	2.73284953999211
1977-10-01	2.58476352064276
1978-01-01	2.46321499879098
1978-04-01	2.46927681017308
1978-07-01	2.53828430625453
1978-10-01	2.56589380527510
1979-01-01	2.55983216612647
1979-04-01	2.35463073012171
1979-07-01	2.13883017836715
1979-10-01	2.33043372552433
1980-01-01	2.51944344426717
1980-04-01	2.53506884636465
1980-07-01	2.39104364003589
1980-10-01	2.30928333139715
1981-01-01	2.16077497337803
1981-04-01	2.37230620687793
1981-07-01	2.64136128149088
1981-10-01	2.78783026282234
1982-01-01	2.32660333456256
1982-04-01	2.22554424496676
1982-07-01	2.61383462460594
1982-10-01	2.35696588135463
1983-01-01	2.27096348367029
1983-04-01	2.28514870686277
1983-07-01	2.21553606010740
1983-10-01	2.33922185170632
1984-01-01	2.36704817620662
1984-04-01	2.33438732355142
1984-07-01	2.23703865471055
1984-10-01	2.29660960008964
1985-01-01	2.47644015259653
1985-04-01	2.45948282176646
1985-07-01	2.55770143381706
1985-10-01	2.70095600916458
1986-01-01	2.61882076757987
1986-04-01	2.58293049270483
1986-07-01	2.34982574881817
1986-10-01	2.72833451290510
1987-01-01	2.63778934329956
1987-04-01	2.68171113569111
1987-07-01	2.31310745358668
1987-10-01	2.46389692736811
1988-01-01	2.42428533082230
1988-04-01	2.52241451500020
1988-07-01	2.26741988772562
1988-10-01	2.44920050177408
1989-01-01	2.32040692682689
1989-04-01	2.15731193951093
1989-07-01	2.25189957288564
1989-10-01	2.50241909106897
1990-01-01	2.28566537568053
1990-04-01	2.25598419526471
1990-07-01	2.37003700261588
1990-10-01	2.26791741245367
1991-01-01	2.17878007361077
1991-04-01	2.21513662605644
1991-07-01	2.38233911524938
1991-10-01	1.99360087376876
1992-01-01	1.82013174697547
1992-04-01	2.13690357108914
1992-07-01	2.35026596437633
1992-10-01	2.01348504885402
1993-01-01	2.19011032070292
1993-04-01	2.04773320272128
1993-07-01	2.25184029947961
1993-10-01	2.06615432844881
1994-01-01	2.38621234285282
1994-04-01	2.50142172080207
1994-07-01	2.48887909588432
1994-10-01	2.48685269379658
1995-01-01	2.70203953548069
1995-04-01	2.54386298281237
1995-07-01	2.16600015868324
1995-10-01	2.37243210952127
1996-01-01	2.48965036430753
1996-04-01	2.24512554065270
1996-07-01	2.03503329380670
1996-10-01	2.33280507661491
1997-01-01	2.11193321766062
1997-04-01	2.10925594136497
1997-07-01	2.37712908003782
1997-10-01	2.53397597751138
1998-01-01	2.46008643197201
1998-04-01	2.52259533369803
1998-07-01	2.66829627445816
1998-10-01	2.70627316494577
1999-01-01	2.68576227002561
1999-04-01	2.69742428437818
1999-07-01	2.62516393213474
1999-10-01	2.54044657387084
2000-01-01	2.73194540331446
2000-04-01	2.78534496004429
2000-07-01	2.70732295672423
2000-10-01	2.53894347015890
2001-01-01	2.91517817470303
2001-04-01	2.96702899650272
2001-07-01	2.96798423599372
2001-10-01	3.21461051688149
2002-01-01	3.42032028994623
2002-04-01	3.48715341015138
2002-07-01	3.23703312597155
2002-10-01	3.30495835900487
2003-01-01	3.41077021818205
2003-04-01	3.55673826863055
2003-07-01	3.42147822699304
2003-10-01	3.31461071077756
2004-01-01	3.50651235577295
2004-04-01	3.58169128679092
2004-07-01	3.77035534291487
2004-10-01	3.73088874382440
2005-01-01	3.66773173448130
2005-04-01	3.85449404178346
2005-07-01	3.89240678961157
2005-10-01	3.84690502527475
2006-01-01	3.63127683191488
2006-04-01	3.69486905746259
2006-07-01	3.84803404477557
2006-10-01	3.69525976483448
2007-01-01	3.66453447197546
2007-04-01	3.54962994365515
2007-07-01	3.64178668233856
2007-10-01	3.66832299094206
2008-01-01	3.60194630290812
2008-04-01	3.70830405763820
2008-07-01	3.83586485527323
2008-10-01	3.87223246176682
2009-01-01	3.82464916209158
2009-04-01	3.92264562728638
2009-07-01	3.83379720504943
2009-10-01	3.90495699864955
2010-01-01	3.66894849289553
2010-04-01	3.68803354102417
2010-07-01	3.76247933541641
2010-10-01	3.88546659584865
2011-01-01	3.64409972035247
2011-04-01	3.79644912762889
2011-07-01	4.20429319091407
2011-10-01	4.19147736595132
2012-01-01	4.28538452944552
2012-04-01	4.26775538901912
2012-07-01	4.30283370035650
2012-10-01	4.47805161247871
2013-01-01	4.43439046116979
2013-04-01	4.21335529165913
2013-07-01	4.25724459898430
2013-10-01	4.23657050189756
2014-01-01	4.38475705237070
2014-04-01	4.09110915096787
2014-07-01	4.53287534890592
2014-10-01	4.53097734682523
2015-01-01	4.33804746075918
2015-04-01	4.52945409462133
2015-07-01	4.53661666579667
2015-10-01	4.38373173482762
2016-01-01	4.26937107771742
2016-04-01	4.57669699247292
2016-07-01	4.26084907713301
2016-10-01	4.30767175753685
2017-01-01	4.36610917284633
2017-04-01	4.61007876222923
2017-07-01	4.35895100597370
2017-10-01	4.30432389060959
2018-01-01	4.30235744856771
2018-04-01	4.39241643950752
2018-07-01	4.29393505660092