Quarter	Percent, Seasonally Adjusted
1970-01-01	68.7865592076865
1970-04-01	68.9688595166693
1970-07-01	68.9760204818539
1970-10-01	68.7528688234840
1971-01-01	69.0130475085063
1971-04-01	68.8089801587055
1971-07-01	68.4860832706247
1971-10-01	68.4392063966186
1972-01-01	68.4043096314372
1972-04-01	68.0988987650358
1972-07-01	68.2914713072023
1972-10-01	68.4547660485315
1973-01-01	68.9535554871274
1973-04-01	68.4508704548906
1973-07-01	68.5248962527240
1973-10-01	68.6111657622069
1974-01-01	68.1835371370650
1974-04-01	68.0272444877030
1974-07-01	67.5211227014500
1974-10-01	67.5012272552705
1975-01-01	67.2019708330648
1975-04-01	67.2887981521281
1975-07-01	67.4226696401504
1975-10-01	67.4699441463384
1976-01-01	67.6019525530186
1976-04-01	67.1761693069278
1976-07-01	67.5284784214592
1976-10-01	67.4746922838130
1977-01-01	67.6304083265474
1977-04-01	67.7732145384759
1977-07-01	67.8581388011384
1977-10-01	67.9704674129352
1978-01-01	68.1233108751265
1978-04-01	68.4300364639838
1978-07-01	68.1667215382578
1978-10-01	68.3316920801787
1979-01-01	68.4189349674329
1979-04-01	68.4920202454313
1979-07-01	68.5620146725391
1979-10-01	68.5644394282063
1980-01-01	68.3449024514592
1980-04-01	68.4175438036217
1980-07-01	68.7172239121477
1980-10-01	68.5543455131752
1981-01-01	68.5691669381430
1981-04-01	68.6951405864385
1981-07-01	68.6449282959474
1981-10-01	68.7797103541087
1982-01-01	68.9439819517613
1982-04-01	68.9150295335699
1982-07-01	68.7515496409904
1982-10-01	69.2316610720221
1983-01-01	69.6335023884230
1983-04-01	69.6327605604212
1983-07-01	69.6438688329434
1983-10-01	69.4790430431401
1984-01-01	69.2753090951159
1984-04-01	69.4049130172329
1984-07-01	69.5296839671495
1984-10-01	69.5580624094088
1985-01-01	69.3533805171545
1985-04-01	69.2067031092310
1985-07-01	69.1783570762101
1985-10-01	69.1228406880906
1986-01-01	69.2818466372055
1986-04-01	69.1384366083148
1986-07-01	69.2880830286251
1986-10-01	69.1002536485769
1987-01-01	69.0172435183980
1987-04-01	69.1410708593917
1987-07-01	69.1922563616443
1987-10-01	69.2618684010030
1988-01-01	69.2067619079728
1988-04-01	69.2715820422244
1988-07-01	69.3138702504895
1988-10-01	69.2661827930421
1989-01-01	69.4955125079601
1989-04-01	69.7743338271234
1989-07-01	69.7737608973818
1989-10-01	69.8912007854697
1990-01-01	70.1520696430692
1990-04-01	70.2499215307708
1990-07-01	70.3697022798358
1990-10-01	70.5551288143359
1991-01-01	70.7907011366071
1991-04-01	70.9168224713551
1991-07-01	71.0772744782392
1991-10-01	71.1961726063208
1992-01-01	71.3472675372305
1992-04-01	71.1961212157980
1992-07-01	71.2259898324427
1992-10-01	71.5760542810832
1993-01-01	71.2721978684393
1993-04-01	71.3503625601502
1993-07-01	71.4490053652077
1993-10-01	71.6396481204648
1994-01-01	71.4609790210567
1994-04-01	71.6181576807562
1994-07-01	71.4693490565136
1994-10-01	71.4171220775752
1995-01-01	71.4961346071896
1995-04-01	71.5068001157684
1995-07-01	71.6823673511087
1995-10-01	71.6956355828348
1996-01-01	71.8115512678356
1996-04-01	72.0340505032041
1996-07-01	72.2717973906012
1996-10-01	72.2166066815136
1997-01-01	72.5628537585386
1997-04-01	72.6481846166914
1997-07-01	72.6973472635224
1997-10-01	72.6485818157176
1998-01-01	72.7099987934448
1998-04-01	72.6727408409429
1998-07-01	72.6671625943418
1998-10-01	72.6044425381369
1999-01-01	72.5754875257230
1999-04-01	72.5716790258748
1999-07-01	72.5778408983961
1999-10-01	72.4935140136137
2000-01-01	72.3801041332006
2000-04-01	72.5717845866080
2000-07-01	72.5330317812671
2000-10-01	72.7513580256931
2001-01-01	72.8500294348768
2001-04-01	72.6728077965886
2001-07-01	72.5217343578396
2001-10-01	72.5431959378767
2002-01-01	72.4407840334185
2002-04-01	72.2342229481832
2002-07-01	72.3956909791536
2002-10-01	72.4245539967431
2003-01-01	72.3858164194860
2003-04-01	72.4433027088766
2003-07-01	72.3505281981420
2003-10-01	72.4982204182264
2004-01-01	72.3797447468370
2004-04-01	72.2413704474246
2004-07-01	72.5083186102705
2004-10-01	72.3974847957977
2005-01-01	72.5168149173870
2005-04-01	72.6583267131527
2005-07-01	72.9058983506487
2005-10-01	72.8622826415711
2006-01-01	73.0455392107162
2006-04-01	73.1359803344137
2006-07-01	73.2301591259187
2006-10-01	73.3116705325613
2007-01-01	73.5101704988988
2007-04-01	73.8212986009001
2007-07-01	73.6638154745018
2007-10-01	73.9225288883972
2008-01-01	73.7974064931103
2008-04-01	73.9597892890131
2008-07-01	73.9089532206087
2008-10-01	74.0598031879591
2009-01-01	74.0678534045231
2009-04-01	73.9471910293600
2009-07-01	74.2352544817104
2009-10-01	74.1066393215058
2010-01-01	74.1747993111244
2010-04-01	74.0234661082340
2010-07-01	74.3162756100505
2010-10-01	74.2879510543215
2011-01-01	74.5105315425511
2011-04-01	74.7220424393071
2011-07-01	74.2864176201444
2011-10-01	73.9397574574207
2012-01-01	73.8941799742794
2012-04-01	73.9719504309779
2012-07-01	74.0126269496231
2012-10-01	74.0747979305447
2013-01-01	74.6465513719416
2013-04-01	74.8379463600539
2013-07-01	74.9920042527720
2013-10-01	75.2299101676319
2014-01-01	75.3706780089920
2014-04-01	75.5609332557704
2014-07-01	75.6801708224949
2014-10-01	75.7681371368666
2015-01-01	75.8603203257826
2015-04-01	75.9277214892549
2015-07-01	76.1607272842164
2015-10-01	76.3824868654442
2016-01-01	76.6721461252177
2016-04-01	76.8534832307348
2016-07-01	77.0905900932206
2016-10-01	77.2337765776604
2017-01-01	77.2900697916885
2017-04-01	77.5046632452065
2017-07-01	77.7447181975891
2017-10-01	77.9727729661286
2018-01-01	78.3853992240640
2018-04-01	78.6693467760176
2018-07-01	78.8799631843285