Quarter	Percent, Seasonally Adjusted
1982-01-01	18.4933047122560
1982-04-01	19.5701150825062
1982-07-01	21.1841251744540
1982-10-01	15.8684730366614
1983-01-01	17.0374265930406
1983-04-01	19.4054982817869
1983-07-01	19.5366925938451
1983-10-01	16.7087314902619
1984-01-01	17.3079918990497
1984-04-01	18.0220590494332
1984-07-01	20.1268178806902
1984-10-01	17.7150629037742
1985-01-01	17.2683618464172
1985-04-01	17.5653845640362
1985-07-01	19.7438724450852
1985-10-01	17.2385310275203
1986-01-01	18.4398418599162
1986-04-01	19.1727260255179
1986-07-01	21.6165112795078
1986-10-01	19.1687622062522
1987-01-01	18.4293686546090
1987-04-01	19.6175691999280
1987-07-01	21.9083065471155
1987-10-01	19.0923457009949
1988-01-01	19.9607650809220
1988-04-01	20.7598826329044
1988-07-01	22.8815994253562
1988-10-01	19.5136454040311
1989-01-01	20.4862212634562
1989-04-01	20.7524379981189
1989-07-01	23.3372776018847
1989-10-01	20.4281866652009
1990-01-01	20.6679941896819
1990-04-01	23.0956458160968
1990-07-01	25.9239037016815
1990-10-01	23.1242080289019
1991-01-01	22.6629068216754
1991-04-01	23.8523843272249
1991-07-01	28.0791977372075
1991-10-01	25.8156983455175
1992-01-01	24.7978436657682
1992-04-01	26.4684693825783
1992-07-01	30.5761838425523
1992-10-01	26.0908699956995
1993-01-01	22.5523261581192
1993-04-01	23.0764050564716
1993-07-01	25.5922206588154
1993-10-01	21.4596208012780
1994-01-01	21.4576074332172
1994-04-01	21.7646339973115
1994-07-01	24.4916552780884
1994-10-01	19.0923940358519
1995-01-01	19.9011625839940
1995-04-01	20.7869001591995
1995-07-01	22.7862927992915
1995-10-01	19.4816302985698
1996-01-01	20.4264231319946
1996-04-01	21.4008227508496
1996-07-01	24.1092662977040
1996-10-01	20.7584700590239
1997-01-01	22.2574917953408
1997-04-01	22.6672843758191
1997-07-01	25.6247134342045
1997-10-01	22.5025329280648
1998-01-01	22.6435125937574
1998-04-01	23.9119073857375
1998-07-01	25.1721771097513
1998-10-01	23.2523891749503
1999-01-01	25.4542828414135
1999-04-01	25.4333329742424
1999-07-01	26.6350036137180
1999-10-01	23.8590517611377
2000-01-01	25.4515754388284
2000-04-01	24.7681166722395
2000-07-01	26.0800840606360
2000-10-01	24.5340897846093
2001-01-01	26.4667418841992
2001-04-01	27.3076449262610
2001-07-01	29.2170612754926
2001-10-01	26.9319959707666
2002-01-01	27.1256925409041
2002-04-01	26.8604511984821
2002-07-01	27.9705006382073
2002-10-01	25.7104862406966
2003-01-01	24.9788676548761
2003-04-01	26.7991790379850
2003-07-01	28.3307589904865
2003-10-01	27.0994465928790
2004-01-01	25.6623611739721
2004-04-01	26.4741738591581
2004-07-01	26.6344078826304
2004-10-01	26.9969323783003
2005-01-01	25.7233273056058
2005-04-01	25.6331318235135
2005-07-01	27.4264256907704
2005-10-01	26.3573121418670
2006-01-01	24.6709343548902
2006-04-01	25.1273657090832
2006-07-01	25.5445209344318
2006-10-01	24.8779520802883
2007-01-01	23.9681192892390
2007-04-01	25.5762904391698
2007-07-01	25.7918404780924
2007-10-01	26.2528441372128
2008-01-01	24.8478081353719
2008-04-01	24.3256250702951
2008-07-01	26.0542814831218
2008-10-01	28.6445531952247
2009-01-01	28.6124709756944
2009-04-01	29.5828986157291
2009-07-01	29.6436916829162
2009-10-01	27.8239495021210
2010-01-01	26.3553151526978
2010-04-01	25.0284126073209
2010-07-01	26.5514826586072
2010-10-01	25.4227494884599
2011-01-01	24.4485149881085
2011-04-01	24.2878509577539
2011-07-01	26.0361507334755
2011-10-01	26.0143380498418
2012-01-01	25.5375902170512
2012-04-01	25.8576850986514
2012-07-01	27.1054908857438
2012-10-01	27.5191971614680
2013-01-01	27.4754695982011
2013-04-01	28.7157992463546
2013-07-01	29.4820772921154
2013-10-01	28.7588714225201
2014-01-01	28.6097583880012
2014-04-01	28.8030205452640
2014-07-01	30.2228626517886
2014-10-01	31.8585832562388
2015-01-01	30.1604935528547
2015-04-01	29.9402696209290
2015-07-01	31.1564899460413
2015-10-01	31.8480629848635
2016-01-01	30.2379147832055
2016-04-01	30.0657539098179
2016-07-01	31.7099454318087
2016-10-01	30.3178509934824
2017-01-01	29.6649992420797
2017-04-01	30.9231113335961
2017-07-01	32.0345050943594
2017-10-01	30.2810509601372
2018-01-01	28.4862298741158
2018-04-01	27.9103716172967