Quarter	Percent, Seasonally Adjusted
1978-04-01	38.8256214105396
1978-07-01	39.1305166757642
1978-10-01	39.2552480586735
1979-01-01	39.3020367566070
1979-04-01	39.3535305612319
1979-07-01	39.3718497869873
1979-10-01	39.0489482311718
1980-01-01	38.9273201129338
1980-04-01	38.7080272441738
1980-07-01	38.4939144537400
1980-10-01	38.7428924952224
1981-01-01	38.8635693996742
1981-04-01	38.8790345674907
1981-07-01	38.7462045830370
1981-10-01	39.0695716204313
1982-01-01	39.0180435504418
1982-04-01	39.3021511008220
1982-07-01	39.4074077932515
1982-10-01	39.1669283942355
1983-01-01	39.4832051899458
1983-04-01	39.6474608939282
1983-07-01	39.5476072335953
1983-10-01	39.6396181640283
1984-01-01	39.5574268101019
1984-04-01	39.3174844773790
1984-07-01	39.4526346764387
1984-10-01	39.5680495945825
1985-01-01	39.4252505674818
1985-04-01	39.4781134759624
1985-07-01	39.1028923717686
1985-10-01	38.8321140850248
1986-01-01	38.4383034681710
1986-04-01	38.0384336509871
1986-07-01	38.0749976979793
1986-10-01	38.0049017479252
1987-01-01	38.0558964720118
1987-04-01	38.0601998404553
1987-07-01	38.0571927223801
1987-10-01	38.0953984397410
1988-01-01	37.7020191390782
1988-04-01	37.5345143509810
1988-07-01	37.8195637199391
1988-10-01	37.5437615918029
1989-01-01	37.2497441717237
1989-04-01	36.9136602236374
1989-07-01	36.6928961008179
1989-10-01	36.5496827409392
1990-01-01	36.5143890858923
1990-04-01	36.1950757145807
1990-07-01	36.0657919194776
1990-10-01	36.2469390469213
1991-01-01	36.5752520786678
1991-04-01	36.6044297311086
1991-07-01	37.0772700280429
1991-10-01	37.2093529752161
1992-01-01	37.0198154167301
1992-04-01	37.1606764412152
1992-07-01	37.0312668195275
1992-10-01	37.3571968570995
1993-01-01	37.5025552653612
1993-04-01	37.8266405855544
1993-07-01	37.6648345115299
1993-10-01	37.1782520854493
1994-01-01	37.1503668572798
1994-04-01	37.2379821535030
1994-07-01	36.9243127567848
1994-10-01	36.9849745017519
1995-01-01	36.7254225992301
1995-04-01	36.4765659347516
1995-07-01	36.3921765104654
1995-10-01	36.2680956716026
1996-01-01	36.3471551000233
1996-04-01	36.4697044242021
1996-07-01	36.4607958953118
1996-10-01	36.6376972409816
1997-01-01	36.6034513026552
1997-04-01	36.9113625613305
1997-07-01	37.0515004471818
1997-10-01	36.9791751249670
1998-01-01	37.0735110416790
1998-04-01	37.0005646486372
1998-07-01	36.8752829696078
1998-10-01	37.0704419403882
1999-01-01	37.2981222493962
1999-04-01	37.3824744390783
1999-07-01	37.2437235175213
1999-10-01	37.0499011305902
2000-01-01	37.0982127864656
2000-04-01	36.8370384738200
2000-07-01	36.5662077877796
2000-10-01	36.9793839551068
2001-01-01	37.0226614106946
2001-04-01	36.5283069400195
2001-07-01	36.6310046782050
2001-10-01	36.5952426040822
2002-01-01	36.6237237007305
2002-04-01	36.8279907707470
2002-07-01	36.6830108346004
2002-10-01	36.4602513175315
2003-01-01	36.0897109712560
2003-04-01	36.4293019536507
2003-07-01	36.6102368535239
2003-10-01	36.5661661070750
2004-01-01	36.6765786761269
2004-04-01	36.6273018958008
2004-07-01	36.5977037867807
2004-10-01	36.2888576765768
2005-01-01	35.8650583792789
2005-04-01	35.5783669225231
2005-07-01	35.4822345705991
2005-10-01	35.5229508242411
2006-01-01	35.4992340279426
2006-04-01	35.3405487962614
2006-07-01	35.0350906211276
2006-10-01	35.1304470792188
2007-01-01	35.0421275523995
2007-04-01	34.9227106002142
2007-07-01	34.7676361341084
2007-10-01	34.5819352894223
2008-01-01	34.5946010817715
2008-04-01	34.4518323917341
2008-07-01	34.4691908811067
2008-10-01	34.5811103920250
2009-01-01	34.3669883272375
2009-04-01	34.4796528320969
2009-07-01	34.7050540384336
2009-10-01	34.7302203282229
2010-01-01	34.7492509467968
2010-04-01	34.8028858897531
2010-07-01	34.5906969957580
2010-10-01	34.3131371404379
2011-01-01	34.4193573756688
2011-04-01	34.6578493068143
2011-07-01	34.5410346027903
2011-10-01	34.6986270725789
2012-01-01	34.7967947989711
2012-04-01	34.8021027466622
2012-07-01	34.8571560636127
2012-10-01	34.9259065993641
2013-01-01	34.8740528212935
2013-04-01	34.8783491886389
2013-07-01	35.1043950080304
2013-10-01	35.3540341211306
2014-01-01	35.3196629309825
2014-04-01	35.3153159324239
2014-07-01	35.2422890721550
2014-10-01	35.3522696237732
2015-01-01	35.1139671803653
2015-04-01	35.1214034870588
2015-07-01	34.9988057519048
2015-10-01	34.7878327716670
2016-01-01	34.9136642911905
2016-04-01	35.0494464215484
2016-07-01	35.2810101279127
2016-10-01	35.2919181197801
2017-01-01	35.2393544394248
2017-04-01	34.9322351960040
2017-07-01	34.7230567150633
2017-10-01	34.4777482636973
2018-01-01	34.3355896058801
2018-04-01	34.3566923187568
2018-07-01	34.4357559682392