Quarter	Percent, Seasonally Adjusted
1978-04-01	4.02610549296666
1978-07-01	3.95589045761118
1978-10-01	3.84274047464658
1979-01-01	3.82011818423525
1979-04-01	3.77619170176960
1979-07-01	3.68576200222709
1979-10-01	3.70478990096215
1980-01-01	3.66405845312001
1980-04-01	3.71389501551521
1980-07-01	3.69338226865919
1980-10-01	3.60630024525211
1981-01-01	3.55233076746601
1981-04-01	3.52287569625628
1981-07-01	3.73491227402295
1981-10-01	3.85303722045939
1982-01-01	3.95957842068870
1982-04-01	4.16012159033880
1982-07-01	4.71939829478895
1982-10-01	6.00971781111184
1983-01-01	6.58180579840190
1983-04-01	7.17697584422322
1983-07-01	7.29061222721027
1983-10-01	6.80977647464028
1984-01-01	6.57741353321463
1984-04-01	6.32290399127502
1984-07-01	6.15282644349004
1984-10-01	5.96480138286345
1985-01-01	5.96051387445176
1985-04-01	6.07575791000954
1985-07-01	5.85632934123392
1985-10-01	5.64044557055994
1986-01-01	5.57640381141304
1986-04-01	5.50466971740944
1986-07-01	5.86423835292584
1986-10-01	5.94783546107372
1987-01-01	5.98893002144053
1987-04-01	5.94203443128185
1987-07-01	5.74944676172132
1987-10-01	5.73944221579167
1988-01-01	5.42158434527594
1988-04-01	5.51671408802434
1988-07-01	5.07940539867795
1988-10-01	4.97390541901353
1989-01-01	4.96957738404866
1989-04-01	4.64546436501967
1989-07-01	4.47878712815342
1989-10-01	4.31836967007091
1990-01-01	4.55086395813410
1990-04-01	4.71586546261140
1990-07-01	5.31401849748308
1990-10-01	5.74726188348886
1991-01-01	6.59070536618339
1991-04-01	7.22704209294279
1991-07-01	7.53662775579779
1991-10-01	7.86254292981797
1992-01-01	8.00386791655794
1992-04-01	8.16737744771810
1992-07-01	8.35782317795210
1992-10-01	8.73394319062906
1993-01-01	8.73545082521715
1993-04-01	8.72449185843708
1993-07-01	8.74912724592171
1993-10-01	8.82114338396273
1994-01-01	8.28564775939993
1994-04-01	7.79844537865580
1994-07-01	7.53399698520832
1994-10-01	7.33670453431869
1995-01-01	6.98055559398562
1995-04-01	6.52925003992310
1995-07-01	6.55527977741857
1995-10-01	6.49823202396824
1996-01-01	6.48180586705571
1996-04-01	6.57079444391564
1996-07-01	6.80187372931075
1996-10-01	6.67543681362100
1997-01-01	6.72368748396532
1997-04-01	6.58674449652146
1997-07-01	6.49710218642602
1997-10-01	6.16235902347143
1998-01-01	6.14116250526426
1998-04-01	6.03413832495364
1998-07-01	6.15593958799859
1998-10-01	5.81677051213033
1999-01-01	5.56614709030286
1999-04-01	5.36432471538384
1999-07-01	5.38506495340582
1999-10-01	5.18685748214172
2000-01-01	5.25543489592242
2000-04-01	4.95680926676021
2000-07-01	4.67497872753416
2000-10-01	4.75406578924962
2001-01-01	4.85039703476051
2001-04-01	5.20929696525660
2001-07-01	5.28349936273938
2001-10-01	5.34348964659727
2002-01-01	5.08010213233185
2002-04-01	4.91569804724382
2002-07-01	4.77951451810802
2002-10-01	4.69012891588907
2003-01-01	4.61456630997469
2003-04-01	4.61366215863994
2003-07-01	4.52101235501654
2003-10-01	4.32617406370496
2004-01-01	4.11232302016936
2004-04-01	4.07599261601230
2004-07-01	4.06832877128053
2004-10-01	3.70218270508403
2005-01-01	3.77663178063132
2005-04-01	3.75517897305842
2005-07-01	3.66471847117786
2005-10-01	3.71223133651630
2006-01-01	3.77470493602461
2006-04-01	3.62272957788966
2006-07-01	3.47976232829402
2006-10-01	3.35256869570509
2007-01-01	3.41805445060203
2007-04-01	3.24765607898817
2007-07-01	3.09354672854444
2007-10-01	3.11431274636028
2008-01-01	3.04948262049253
2008-04-01	3.15233352659113
2008-07-01	3.20898795111288
2008-10-01	3.34382734483792
2009-01-01	4.03249775681198
2009-04-01	4.31953540274771
2009-07-01	4.35055341980965
2009-10-01	4.27639606473768
2010-01-01	3.96536768422857
2010-04-01	3.88519036871482
2010-07-01	3.73448159249152
2010-10-01	3.70132935493470
2011-01-01	3.54375853176154
2011-04-01	3.62799903344727
2011-07-01	3.89884002659305
2011-10-01	3.89586680224701
2012-01-01	3.76806077546344
2012-04-01	3.76141923752696
2012-07-01	3.90696745481964
2012-10-01	4.00481310218043
2013-01-01	4.09856306391740
2013-04-01	4.37917043808502
2013-07-01	4.32008400616243
2013-10-01	4.47928796615795
2014-01-01	4.54190691907667
2014-04-01	4.44645107742415
2014-07-01	4.66822915476243
2014-10-01	4.70422437920840
2015-01-01	4.64290719332558
2015-04-01	4.55251522079536
2015-07-01	4.76419018064882
2015-10-01	4.54468132552978
2016-01-01	4.50735725898089
2016-04-01	4.32081329849802
2016-07-01	4.19773680240501
2016-10-01	4.26562290708921
2017-01-01	4.39441008430434
2017-04-01	4.19363971741927
2017-07-01	4.10603609535385
2017-10-01	4.14196995192855
2018-01-01	4.12000893456604
2018-04-01	4.18632830651507
2018-07-01	3.96263786288598