Quarter	Percent, Seasonally Adjusted
1978-04-01	3.48405118250051
1978-07-01	3.50021601461729
1978-10-01	3.50819450853919
1979-01-01	3.27046580358931
1979-04-01	3.22885781755397
1979-07-01	2.97008869593153
1979-10-01	3.01539687139267
1980-01-01	3.24884679536995
1980-04-01	3.29874782343485
1980-07-01	3.20302746028103
1980-10-01	2.96487357778494
1981-01-01	2.95604771094927
1981-04-01	2.97761590991368
1981-07-01	3.22465402943653
1981-10-01	3.30430040891919
1982-01-01	3.47511969898972
1982-04-01	3.64941757540665
1982-07-01	4.46694480845378
1982-10-01	5.82117927629747
1983-01-01	6.59332545877363
1983-04-01	7.19784546699788
1983-07-01	7.21370896007700
1983-10-01	6.71300263994623
1984-01-01	6.46092915253741
1984-04-01	6.20962418847412
1984-07-01	6.17240565194395
1984-10-01	5.84919897910948
1985-01-01	5.79688657389898
1985-04-01	6.01243355239518
1985-07-01	5.54669250250065
1985-10-01	5.17246085413772
1986-01-01	5.19436494387044
1986-04-01	5.37291463134476
1986-07-01	5.62118178792094
1986-10-01	5.74176712294736
1987-01-01	5.79217858237629
1987-04-01	5.82325391138543
1987-07-01	5.59801397601194
1987-10-01	5.44163600920842
1988-01-01	4.88220287307481
1988-04-01	4.89417079393362
1988-07-01	4.67111488360899
1988-10-01	4.58779827389872
1989-01-01	4.49682327018851
1989-04-01	4.25607871342089
1989-07-01	4.13479130536483
1989-10-01	3.81241859425750
1990-01-01	4.16400940000415
1990-04-01	4.34404558465552
1990-07-01	5.06470367757047
1990-10-01	5.90948423822722
1991-01-01	6.67234531320098
1991-04-01	7.34726782783393
1991-07-01	7.89995387155479
1991-10-01	8.21460857118160
1992-01-01	8.23115646145996
1992-04-01	8.56961430648322
1992-07-01	8.77912978076572
1992-10-01	9.21638080325882
1993-01-01	9.14207639190992
1993-04-01	9.28061132641825
1993-07-01	8.95446445291198
1993-10-01	9.00439040768861
1994-01-01	8.60052155352308
1994-04-01	7.94261024794858
1994-07-01	7.55946923639208
1994-10-01	7.34609365310499
1995-01-01	7.19338812158735
1995-04-01	6.90921150149198
1995-07-01	6.86747997081820
1995-10-01	6.84117411478697
1996-01-01	6.76959290583748
1996-04-01	6.67730795020074
1996-07-01	6.79979448192533
1996-10-01	6.71003686966225
1997-01-01	6.82083072255576
1997-04-01	6.76391863976816
1997-07-01	6.61586440558988
1997-10-01	6.44317644641344
1998-01-01	6.39896872962513
1998-04-01	6.31084777558571
1998-07-01	6.46080335682504
1998-10-01	6.16075720563141
1999-01-01	5.75826503500422
1999-04-01	5.59048284371927
1999-07-01	5.52319326291174
1999-10-01	5.41905490435306
2000-01-01	5.29354472448489
2000-04-01	5.08997151143744
2000-07-01	5.05185798899198
2000-10-01	5.15122211927319
2001-01-01	5.27308591590054
2001-04-01	5.38806809893310
2001-07-01	5.46093648885230
2001-10-01	5.50236261343226
2002-01-01	5.49693521204943
2002-04-01	5.22212668029831
2002-07-01	4.82420367747269
2002-10-01	4.71186184589505
2003-01-01	4.78004644516113
2003-04-01	4.84530545254451
2003-07-01	4.43052277211388
2003-10-01	4.27292463528016
2004-01-01	4.10907397138909
2004-04-01	4.10269662530023
2004-07-01	3.95376504415611
2004-10-01	3.66556343554420
2005-01-01	3.68122817113012
2005-04-01	3.68115303006292
2005-07-01	3.57265351459857
2005-10-01	3.67422003725605
2006-01-01	3.77806668819968
2006-04-01	3.47572133868679
2006-07-01	3.31587474689018
2006-10-01	3.19397885111854
2007-01-01	3.16552000617921
2007-04-01	2.95876500126383
2007-07-01	2.76388951639895
2007-10-01	2.91717949461046
2008-01-01	2.70090827564401
2008-04-01	2.96325167652698
2008-07-01	2.89937261137453
2008-10-01	3.05991156882094
2009-01-01	4.20474063549143
2009-04-01	4.88902194942290
2009-07-01	4.52755617137661
2009-10-01	4.41982998464563
2010-01-01	4.03574356313339
2010-04-01	3.88329557559059
2010-07-01	3.56133206929681
2010-10-01	3.50383579366560
2011-01-01	3.34265020271191
2011-04-01	3.44301402239896
2011-07-01	3.67730481161237
2011-10-01	3.82125871277909
2012-01-01	3.77161158348817
2012-04-01	3.60471052977096
2012-07-01	3.90090255542525
2012-10-01	3.90227143600620
2013-01-01	4.16208510816758
2013-04-01	4.41957877515400
2013-07-01	4.33876793241422
2013-10-01	4.81612206434303
2014-01-01	4.54956961982479
2014-04-01	4.40515725600636
2014-07-01	4.71627551808492
2014-10-01	4.68708297891331
2015-01-01	4.65508628884435
2015-04-01	4.43679099889766
2015-07-01	4.79959414301089
2015-10-01	4.35314928569787
2016-01-01	4.28227306728584
2016-04-01	3.97125041750537
2016-07-01	4.03232549936514
2016-10-01	4.08657067214245
2017-01-01	4.22880243008905
2017-04-01	3.93984229466444
2017-07-01	4.09149874415327
2017-10-01	4.00540969026966
2018-01-01	3.96009614949216
2018-04-01	3.91283832920908
2018-07-01	3.75452625610325