Quarter	Percent, Seasonally Adjusted
1978-04-01	12.9591480132351
1978-07-01	13.4207235939501
1978-10-01	13.3206736010678
1979-01-01	13.3383668503134
1979-04-01	13.3498783012926
1979-07-01	13.4626782178207
1979-10-01	13.3831277168312
1980-01-01	13.4291501878093
1980-04-01	13.2823413798796
1980-07-01	13.2273463557408
1980-10-01	13.2647942889600
1981-01-01	13.3041614055684
1981-04-01	13.4255198404579
1981-07-01	13.3845470950598
1981-10-01	13.7998072726231
1982-01-01	13.7310644677869
1982-04-01	14.0613855154634
1982-07-01	14.1049541637439
1982-10-01	13.9877678378389
1983-01-01	14.4442268514736
1983-04-01	14.6843731253320
1983-07-01	14.7216713192109
1983-10-01	14.9357686355230
1984-01-01	14.8951321185027
1984-04-01	14.9335301463947
1984-07-01	15.1546759440031
1984-10-01	15.5905494314060
1985-01-01	15.6173740632083
1985-04-01	15.7382767138202
1985-07-01	15.4892106741125
1985-10-01	15.4065725324219
1986-01-01	15.1960905782930
1986-04-01	15.1393210585132
1986-07-01	15.2687467938892
1986-10-01	15.2644940095476
1987-01-01	15.4835669921017
1987-04-01	15.5744898684020
1987-07-01	15.6374405903376
1987-10-01	15.9242383565306
1988-01-01	15.6085866767979
1988-04-01	15.4397546535170
1988-07-01	15.9177683435733
1988-10-01	15.7163293730748
1989-01-01	15.5936361309554
1989-04-01	15.3382082408043
1989-07-01	15.1398943890941
1989-10-01	15.1659834656422
1990-01-01	15.3220440452747
1990-04-01	14.9895452865345
1990-07-01	14.7520706468248
1990-10-01	14.9061053276048
1991-01-01	15.4035891123919
1991-04-01	15.6034366862449
1991-07-01	16.1772661202198
1991-10-01	16.1072820857060
1992-01-01	16.1190906959684
1992-04-01	16.2322367886429
1992-07-01	16.1631687170280
1992-10-01	16.4806015765646
1993-01-01	16.4884508610437
1993-04-01	16.7031267614643
1993-07-01	16.7340324160117
1993-10-01	16.3996370766278
1994-01-01	16.3931708041840
1994-04-01	16.5877622246938
1994-07-01	16.4543122122759
1994-10-01	16.5530944650114
1995-01-01	16.3227147545328
1995-04-01	16.2183775937884
1995-07-01	16.0692632284978
1995-10-01	16.1206019805693
1996-01-01	16.1375962733677
1996-04-01	16.2881811576336
1996-07-01	16.3050562675196
1996-10-01	16.4782139823877
1997-01-01	16.5313497488743
1997-04-01	16.9027077750572
1997-07-01	17.1821728344826
1997-10-01	17.0575432716681
1998-01-01	17.0839684647552
1998-04-01	17.1141596794681
1998-07-01	17.0679856696671
1998-10-01	17.3080134174936
1999-01-01	17.4586153041377
1999-04-01	17.5416113452420
1999-07-01	17.4464145039683
1999-10-01	17.5827601327590
2000-01-01	17.8178518422376
2000-04-01	17.6358959187630
2000-07-01	17.4702557896166
2000-10-01	17.7791755686072
2001-01-01	18.0968266288240
2001-04-01	17.7332130755799
2001-07-01	17.6720046753314
2001-10-01	17.7524538847173
2002-01-01	17.7549845937136
2002-04-01	17.7976140917931
2002-07-01	17.9734219856875
2002-10-01	17.8989708175609
2003-01-01	17.7155784393054
2003-04-01	18.2055307045305
2003-07-01	18.2678616385716
2003-10-01	17.9579053317151
2004-01-01	18.0088415613534
2004-04-01	17.9500385759819
2004-07-01	18.0894321987308
2004-10-01	17.9101587781437
2005-01-01	17.6425092652244
2005-04-01	17.2552442909566
2005-07-01	17.2669402762249
2005-10-01	17.3816466657478
2006-01-01	17.3571889029245
2006-04-01	17.4158236213899
2006-07-01	17.0292526758302
2006-10-01	17.2384195278144
2007-01-01	17.2575746746233
2007-04-01	17.0185886683723
2007-07-01	17.0045137139978
2007-10-01	16.8685947267455
2008-01-01	16.9243796273261
2008-04-01	16.8254790370904
2008-07-01	17.0011679589879
2008-10-01	17.0848428400929
2009-01-01	17.2723875200711
2009-04-01	17.2977966803950
2009-07-01	17.4899911042422
2009-10-01	17.4948087177037
2010-01-01	17.2536441069358
2010-04-01	17.2965065187633
2010-07-01	17.1224115404260
2010-10-01	16.7557523218021
2011-01-01	16.8667364202044
2011-04-01	17.2074562053682
2011-07-01	17.1778017476247
2011-10-01	17.3794575485748
2012-01-01	17.5512348981685
2012-04-01	17.5790567233607
2012-07-01	17.4986375664474
2012-10-01	17.4557088417501
2013-01-01	17.4748272639903
2013-04-01	17.4526523321894
2013-07-01	17.6596267513356
2013-10-01	17.8854827366737
2014-01-01	18.0598011031615
2014-04-01	17.9861468162719
2014-07-01	17.8195635308008
2014-10-01	17.7151523134353
2015-01-01	17.2682656636032
2015-04-01	17.3101022592001
2015-07-01	17.3277681312546
2015-10-01	17.3708917497210
2016-01-01	17.3854303121081
2016-04-01	17.6717404520826
2016-07-01	17.8474550209715
2016-10-01	17.8022021416278
2017-01-01	17.7866295419563
2017-04-01	17.4081628845997
2017-07-01	17.2632875107782
2017-10-01	17.1424778230976
2018-01-01	17.0759183625239
2018-04-01	17.0952603021335
2018-07-01	17.1524330820615