Quarter	Percent, Seasonally Adjusted
1969-01-01	3.08064752553288
1969-04-01	2.53635550243364
1969-07-01	2.41204627569067
1969-10-01	2.16585611591833
1970-01-01	2.06695942231866
1970-04-01	1.83298882955381
1970-07-01	1.65563647607692
1970-10-01	1.91698643745001
1971-01-01	1.77859437160650
1971-04-01	1.82056558192136
1971-07-01	1.65350904048382
1971-10-01	1.92949790035536
1972-01-01	2.02003914615254
1972-04-01	1.73106984837330
1972-07-01	2.17482447279011
1972-10-01	1.78020316200386
1973-01-01	1.72303577585615
1973-04-01	2.07481775177082
1973-07-01	1.69567883769613
1973-10-01	1.49673285520331
1974-01-01	2.07770700645204
1974-04-01	1.73888500133040
1974-07-01	1.75585557671140
1974-10-01	2.17367760324594
1975-01-01	2.04929075165510
1975-04-01	2.20463461036330
1975-07-01	2.27108789267661
1975-10-01	2.66828568212788
1976-01-01	2.45189096999545
1976-04-01	2.55511866693937
1976-07-01	2.50154901788538
1976-10-01	2.28181375184889
1977-01-01	2.13948582780947
1977-04-01	2.06237436907304
1977-07-01	2.49470766328977
1977-10-01	2.34611250813226
1978-01-01	2.38202313808800
1978-04-01	3.02559778771565
1978-07-01	2.72994016394740
1978-10-01	3.04643823113701
1979-01-01	3.04454400662400
1979-04-01	2.95148379474796
1979-07-01	3.11298470195780
1979-10-01	3.16133099331168
1980-01-01	2.59038818915549
1980-04-01	2.73631142059368
1980-07-01	3.07215092232634
1980-10-01	2.84172775322809
1981-01-01	3.17502486932062
1981-04-01	3.75036177884540
1981-07-01	3.60789428413267
1981-10-01	3.75663521042273
1982-01-01	3.79026273307022
1982-04-01	4.46210407129411
1982-07-01	5.19076592284853
1982-10-01	5.02183408935837
1983-01-01	5.36220018786225
1983-04-01	5.56067602426326
1983-07-01	5.01039728713547
1983-10-01	4.50812642771838
1984-01-01	3.81654232289441
1984-04-01	3.37368123562210
1984-07-01	3.49858406636973
1984-10-01	3.62371041410601
1985-01-01	3.64719984754234
1985-04-01	3.44941320682861
1985-07-01	3.57643114624667
1985-10-01	3.54170351334784
1986-01-01	3.29773798936276
1986-04-01	2.94250120130109
1986-07-01	2.65985359607342
1986-10-01	3.36817008346773
1987-01-01	4.26629866929080
1987-04-01	3.98553652433340
1987-07-01	4.40607538638721
1987-10-01	3.64529660082227
1988-01-01	3.73518968513706
1988-04-01	3.85609386504149
1988-07-01	4.24348271669884
1988-10-01	4.13332496310773
1989-01-01	3.46689847496688
1989-04-01	3.68804183810141
1989-07-01	3.39538351448307
1989-10-01	3.77861384387642
1990-01-01	3.49973060163405
1990-04-01	3.65989394609518
1990-07-01	3.72963892836704
1990-10-01	3.48302550584556
1991-01-01	3.53440279077903
1991-04-01	3.54898628016443
1991-07-01	3.74608239164989
1991-10-01	3.81446925725245
1992-01-01	3.70919466448342
1992-04-01	3.92934331757399
1992-07-01	3.80487940311263
1992-10-01	3.75518248442688
1993-01-01	3.87571758645782
1993-04-01	5.15431922789527
1993-07-01	4.40103548211906
1993-10-01	4.56924260356889
1994-01-01	4.01489671460045
1994-04-01	3.82736921413179
1994-07-01	3.87285788604923
1994-10-01	4.28478022720465
1995-01-01	4.50123523915127
1995-04-01	4.32753704492309
1995-07-01	4.31165264743544
1995-10-01	4.26654305327348
1996-01-01	4.70848907720111
1996-04-01	4.08895286744239
1996-07-01	4.46396782312906
1996-10-01	4.60069832746023
1997-01-01	4.72505877130015
1997-04-01	4.18271248918512
1997-07-01	4.90082737502972
1997-10-01	4.76915278693509
1998-01-01	4.76328747532550
1998-04-01	4.76937447933851
1998-07-01	4.42907727057895
1998-10-01	4.36965928641689
1999-01-01	4.25954151117141
1999-04-01	3.79545303243328
1999-07-01	3.59613609121829
1999-10-01	3.67932101021020
2000-01-01	4.13111994387651
2000-04-01	3.90181518071656
2000-07-01	3.77465743698341
2000-10-01	3.56569954881783
2001-01-01	3.72063119932478
2001-04-01	3.80510906819168
2001-07-01	3.86900619126634
2001-10-01	3.81020089221544
2002-01-01	4.13832374662690
2002-04-01	3.62617192796743
2002-07-01	3.90554935338199
2002-10-01	3.86647438903880
2003-01-01	4.01004141898722
2003-04-01	4.49265552476542
2003-07-01	4.05479607898522
2003-10-01	4.30647767585448
2004-01-01	5.53250133843002
2004-04-01	5.90552359981892
2004-07-01	6.11398046143315
2004-10-01	6.07661714064200
2005-01-01	5.44424696457231
2005-04-01	5.99274926048713
2005-07-01	6.07101821387631
2005-10-01	5.91306411529964
2006-01-01	5.65815694863318
2006-04-01	5.73385033921110
2006-07-01	5.43137720366335
2006-10-01	5.58257529962926
2007-01-01	5.23805709644231
2007-04-01	5.73331388993968
2007-07-01	5.41355960385752
2007-10-01	4.81647485425316
2008-01-01	4.38463212359952
2008-04-01	4.13114058050205
2008-07-01	4.37877241319174
2008-10-01	4.74022933833715
2009-01-01	4.70282525907461
2009-04-01	5.14100758541400
2009-07-01	5.61903696244585
2009-10-01	4.87811368011150
2010-01-01	4.51865944887039
2010-04-01	4.83219075723779
2010-07-01	4.61963398103372
2010-10-01	4.55070565365349
2011-01-01	4.75290915626380
2011-04-01	4.36024935477007
2011-07-01	4.06341446629029
2011-10-01	5.15922316229135
2012-01-01	4.82276453752992
2012-04-01	4.71943485591585
2012-07-01	4.99072583846005
2012-10-01	4.61233894374241
2013-01-01	5.18755995845423
2013-04-01	5.02246203704060
2013-07-01	5.39775155675700
2013-10-01	5.56991657486180
2014-01-01	5.65209192394278
2014-04-01	5.25444822166800
2014-07-01	5.36233787420912
2014-10-01	5.25831899583297
2015-01-01	5.18585194022634
2015-04-01	5.55624214823799
2015-07-01	5.12565613993149
2015-10-01	5.36975110333048
2016-01-01	5.47435432132768
2016-04-01	5.70675206751710
2016-07-01	5.75824846119210
2016-10-01	5.23482107178256
2017-01-01	5.11381219362161
2017-04-01	5.08295114620574
2017-07-01	4.95703569043546
2017-10-01	4.98000918593099
2018-01-01	4.69290059435487
2018-04-01	4.50683833987488