Quarter	Percent, Seasonally Adjusted
1978-04-01	2.87254417373669
1978-07-01	2.70685319716377
1978-10-01	2.06093158002876
1979-01-01	2.45069263793688
1979-04-01	2.51001088292785
1979-07-01	2.36241953743022
1979-10-01	2.67235797455343
1980-01-01	2.52129220873136
1980-04-01	2.35974292647800
1980-07-01	2.87942313211205
1980-10-01	2.92368113321722
1981-01-01	1.83612306959870
1981-04-01	2.20884991100832
1981-07-01	2.41919228429676
1981-10-01	2.17293985207087
1982-01-01	2.85972091251198
1982-04-01	2.63682700537346
1982-07-01	3.08125096944207
1982-10-01	2.80063195115094
1983-01-01	3.55797795935716
1983-04-01	3.15757577994508
1983-07-01	3.59264849586770
1983-10-01	2.68154131727181
1984-01-01	3.45719694024588
1984-04-01	3.58271872790199
1984-07-01	3.14941134255956
1984-10-01	3.00077441736768
1985-01-01	3.40841886181890
1985-04-01	3.96908195112752
1985-07-01	3.15258855689206
1985-10-01	3.47128971636162
1986-01-01	3.28780632925315
1986-04-01	4.10119224337101
1986-07-01	3.55426695251575
1986-10-01	3.25568176038476
1987-01-01	3.08311369052580
1987-04-01	3.24641490711266
1987-07-01	3.02057336111090
1987-10-01	3.54113004052722
1988-01-01	3.70409582366830
1988-04-01	3.61848834490154
1988-07-01	2.86084823435883
1988-10-01	3.04864236745191
1989-01-01	3.83636213848184
1989-04-01	2.98218294708304
1989-07-01	2.52631022789042
1989-10-01	3.23571615535150
1990-01-01	2.51472214271998
1990-04-01	2.77126926132575
1990-07-01	3.03143404673027
1990-10-01	3.24480147275924
1991-01-01	3.38956701052803
1991-04-01	3.83509579532302
1991-07-01	4.38913356244562
1991-10-01	3.80821134762932
1992-01-01	3.76803052773799
1992-04-01	4.19933881885017
1992-07-01	3.72582156970812
1992-10-01	3.74932853171006
1993-01-01	4.24271492487313
1993-04-01	4.33174656825294
1993-07-01	4.85217376573569
1993-10-01	5.62744792169214
1994-01-01	6.52981080363266
1994-04-01	5.58775561165009
1994-07-01	5.16166444425450
1994-10-01	5.06664995301745
1995-01-01	4.03633153945527
1995-04-01	3.42306807994717
1995-07-01	4.43760156784928
1995-10-01	4.48832748499810
1996-01-01	5.21011399702194
1996-04-01	5.30340983750340
1996-07-01	4.35236637636746
1996-10-01	4.01229059699736
1997-01-01	4.95399065188391
1997-04-01	4.24435060384964
1997-07-01	4.20845304068113
1997-10-01	4.28659885956601
1998-01-01	4.98120212113170
1998-04-01	4.57154544552472
1998-07-01	4.59555729584122
1998-10-01	3.72062538363668
1999-01-01	3.87189334627459
1999-04-01	3.04413876972103
1999-07-01	3.76212714364185
1999-10-01	3.32555041575452
2000-01-01	4.04933234843189
2000-04-01	3.38273831008589
2000-07-01	2.20894446700786
2000-10-01	3.01167593816688
2001-01-01	2.93546945472314
2001-04-01	2.93485786753020
2001-07-01	3.10645275187030
2001-10-01	2.88393251181066
2002-01-01	3.18661201967041
2002-04-01	2.90138293069632
2002-07-01	2.52933505691213
2002-10-01	3.17492703133029
2003-01-01	3.02091757499893
2003-04-01	2.99163278831269
2003-07-01	3.01960232429115
2003-10-01	3.03791145527139
2004-01-01	2.87923744201403
2004-04-01	3.23498381592557
2004-07-01	3.31768065036233
2004-10-01	2.71891473111304
2005-01-01	3.69534779582033
2005-04-01	2.89294243291738
2005-07-01	2.48594652733652
2005-10-01	2.49551929255978
2006-01-01	3.10268298567142
2006-04-01	2.52460081801597
2006-07-01	2.90378184363152
2006-10-01	2.55751166735607
2007-01-01	3.21080831511146
2007-04-01	2.65679283243661
2007-07-01	2.39308171186544
2007-10-01	2.24982267391476
2008-01-01	2.20170656547211
2008-04-01	1.95268634973054
2008-07-01	1.83039758794965
2008-10-01	2.04623227896635
2009-01-01	3.05333727488156
2009-04-01	2.83402799513265
2009-07-01	2.57066807052838
2009-10-01	3.02602678729900
2010-01-01	2.93715017338052
2010-04-01	2.30021644588595
2010-07-01	2.80307943188127
2010-10-01	2.47049588162882
2011-01-01	2.77926592388876
2011-04-01	2.86620147491591
2011-07-01	2.90089584269241
2011-10-01	3.00021038594768
2012-01-01	3.11472606381960
2012-04-01	3.09834070380970
2012-07-01	3.30211959511087
2012-10-01	2.93172879881658
2013-01-01	3.21882559336774
2013-04-01	3.00822729115341
2013-07-01	3.44794424836733
2013-10-01	3.04704365874752
2014-01-01	4.81099352043398
2014-04-01	3.84700148215888
2014-07-01	3.26767242040956
2014-10-01	3.29493663226437
2015-01-01	3.51485341277131
2015-04-01	3.39343954189060
2015-07-01	3.76265041406027
2015-10-01	3.51621466743936
2016-01-01	3.88893836025570
2016-04-01	3.59917268906746
2016-07-01	3.65940922445924
2016-10-01	3.24815158942466
2017-01-01	3.94849802449444
2017-04-01	3.41513471936988
2017-07-01	3.79399509468877
2017-10-01	3.73183044706037
2018-01-01	4.15642604576105
2018-04-01	3.95003469462362
2018-07-01	3.80843456153019