Quarter	Percent, Seasonally Adjusted
1980-01-01	24.2329411764706
1980-04-01	24.3250375543015
1980-07-01	26.0347000096927
1980-10-01	25.4958996285134
1981-01-01	23.1212099335836
1981-04-01	24.2346614052953
1981-07-01	25.0551382186624
1981-10-01	29.0553291362058
1982-01-01	29.5635427850776
1982-04-01	30.1244028343326
1982-07-01	30.5167183275077
1982-10-01	30.0458594697169
1983-01-01	28.1699769053118
1983-04-01	26.6746560418353
1983-07-01	25.1712759503411
1983-10-01	26.4530243821894
1984-01-01	23.1321603623199
1984-04-01	25.7912961020675
1984-07-01	22.8003511576410
1984-10-01	23.3212409306980
1985-01-01	22.6747768386128
1985-04-01	21.0880752830466
1985-07-01	20.5854937372560
1985-10-01	24.7720613389258
1986-01-01	16.4000475555145
1986-04-01	16.4666061077948
1986-07-01	16.9535205716191
1986-10-01	18.0506646508970
1987-01-01	18.6353719863925
1987-04-01	16.7730623988491
1987-07-01	16.5283353631949
1987-10-01	14.2313798344874
1988-01-01	14.4432370683050
1988-04-01	14.8303199323160
1988-07-01	14.1475296983390
1988-10-01	13.6628412450009
1989-01-01	14.6408114940322
1989-04-01	15.0267952840300
1989-07-01	14.2653261317290
1989-10-01	14.3785859323562
1990-01-01	15.7617498884000
1990-04-01	15.0337229954843
1990-07-01	14.9748506590307
1990-10-01	15.4934439347898
1991-01-01	14.5728880900577
1991-04-01	14.3099629884446
1991-07-01	14.7363089390963
1991-10-01	13.6154475271194
1992-01-01	13.6900703802997
1992-04-01	13.4450167932574
1992-07-01	14.3322276904888
1992-10-01	13.8931836665386
1993-01-01	15.2071565348012
1993-04-01	14.6431224113838
1993-07-01	15.1004771155102
1993-10-01	14.6258620229059
1994-01-01	16.0540542836151
1994-04-01	16.0668647074947
1994-07-01	16.9384820935839
1994-10-01	16.6173312619757
1995-01-01	17.6538511579495
1995-04-01	17.3996067458217
1995-07-01	17.1393435486679
1995-10-01	16.0132767747448
1996-01-01	16.2664061100161
1996-04-01	16.5026944830492
1996-07-01	17.9485016198704
1996-10-01	16.3834899869226
1997-01-01	17.8090086529833
1997-04-01	16.5301976953807
1997-07-01	17.8825386503585
1997-10-01	18.4128142445361
1998-01-01	17.2134623237114
1998-04-01	16.8524890913790
1998-07-01	18.2711869837083
1998-10-01	18.6488469522930
1999-01-01	18.1618425575799
1999-04-01	16.4958639934062
1999-07-01	17.6438050341106
1999-10-01	16.7945750855000
2000-01-01	15.9369670804101
2000-04-01	15.8255608673916
2000-07-01	16.1741010773676
2000-10-01	16.6567116328863
2001-01-01	17.3669136581008
2001-04-01	17.5561474323602
2001-07-01	18.0241292439966
2001-10-01	16.7121359211835
2002-01-01	16.7036475034356
2002-04-01	16.3207691935786
2002-07-01	16.7398513506086
2002-10-01	15.2230666806302
2003-01-01	16.2329275491061
2003-04-01	15.8328705807125
2003-07-01	15.2186664143868
2003-10-01	15.1096216847122
2004-01-01	14.7702421123127
2004-04-01	14.3387076223947
2004-07-01	15.6718012812189
2004-10-01	15.4849140804340
2005-01-01	15.6502910146352
2005-04-01	14.7544228417661
2005-07-01	14.8295465959541
2005-10-01	15.1881613931294
2006-01-01	15.0812620593078
2006-04-01	14.5659943067744
2006-07-01	14.1218265935266
2006-10-01	15.4740094955052
2007-01-01	15.9118541180431
2007-04-01	15.7698277207061
2007-07-01	15.2288856573115
2007-10-01	16.1372995374570
2008-01-01	17.2019475730360
2008-04-01	17.2614636508307
2008-07-01	16.5939462538338
2008-10-01	18.8147289050025
2009-01-01	17.8610248368039
2009-04-01	16.6097806462123
2009-07-01	16.0093583189726
2009-10-01	16.3391690179558
2010-01-01	15.2890587673196
2010-04-01	15.2934292524626
2010-07-01	14.9905375536326
2010-10-01	15.3101490531817
2011-01-01	13.0812832099211
2011-04-01	12.6613993712978
2011-07-01	13.7219826944697
2011-10-01	14.1026530033527
2012-01-01	14.2692867228617
2012-04-01	14.6397227434993
2012-07-01	15.0751963346328
2012-10-01	14.5753178230520
2013-01-01	14.5521167272261
2013-04-01	14.5884787008810
2013-07-01	14.0091878199850
2013-10-01	14.3376222868188
2014-01-01	14.5835072056445
2014-04-01	15.3500474937599
2014-07-01	15.9650132582100
2014-10-01	15.9303877774016
2015-01-01	16.0059205443015
2015-04-01	14.7110340108287
2015-07-01	15.1716003241961
2015-10-01	15.1724344685313
2016-01-01	16.7804621481398
2016-04-01	15.4236583604979
2016-07-01	15.5743628893509
2016-10-01	14.8855814520791
2017-01-01	13.1055598834646
2017-04-01	12.8227510600751
2017-07-01	13.2632584806498
2017-10-01	13.4339731761399
2018-01-01	13.5239586870598
2018-04-01	13.3531513049887
2018-07-01	13.2952706859596