Quarter	Percent, Seasonally Adjusted
1970-01-01	75.0682751121355
1970-04-01	75.4438286771481
1970-07-01	75.1745142332339
1970-10-01	74.7902568003734
1971-01-01	74.9427911653422
1971-04-01	74.5029912448456
1971-07-01	74.4257041535041
1971-10-01	74.3453554713940
1972-01-01	74.3227128798906
1972-04-01	74.1517394566178
1972-07-01	74.4798481403914
1972-10-01	74.8057857715107
1973-01-01	75.3191579962080
1973-04-01	74.7373297359958
1973-07-01	74.8693719131022
1973-10-01	75.1691444751354
1974-01-01	74.7814055609343
1974-04-01	74.5880411950348
1974-07-01	74.0301531664324
1974-10-01	73.8811320252926
1975-01-01	73.5114153748352
1975-04-01	73.6437179601299
1975-07-01	73.8061268360162
1975-10-01	73.5886777643956
1976-01-01	73.6888566664720
1976-04-01	73.6347925681146
1976-07-01	74.1473989967020
1976-10-01	74.1733117212719
1977-01-01	74.3238070299094
1977-04-01	74.6131498850036
1977-07-01	74.6805589904490
1977-10-01	74.7521332591094
1978-01-01	74.8529193211011
1978-04-01	75.1624210116746
1978-07-01	75.0220468021072
1978-10-01	75.2924205182392
1979-01-01	75.4683540353540
1979-04-01	75.5980024073736
1979-07-01	75.7729024259145
1979-10-01	75.8999831775761
1980-01-01	75.8616317019554
1980-04-01	75.8685740035471
1980-07-01	75.9665960840708
1980-10-01	75.9208934846202
1981-01-01	75.9329209165685
1981-04-01	75.9216979161386
1981-07-01	75.9869355465807
1981-10-01	76.3164198013416
1982-01-01	76.5713941156512
1982-04-01	76.4449031360267
1982-07-01	76.1904502712396
1982-10-01	76.7310708674124
1983-01-01	76.9375268178254
1983-04-01	76.9393049071821
1983-07-01	77.1703490203750
1983-10-01	77.0435091343922
1984-01-01	76.9972911686891
1984-04-01	77.1659321816114
1984-07-01	77.4024576046608
1984-10-01	77.5711906358314
1985-01-01	77.3793438819660
1985-04-01	77.4457472203155
1985-07-01	77.5865501063009
1985-10-01	77.3367749481949
1986-01-01	77.5582338262195
1986-04-01	77.5977303032116
1986-07-01	77.7175162269483
1986-10-01	77.4556716523123
1987-01-01	77.5414045166552
1987-04-01	77.6687882802145
1987-07-01	78.0667334878381
1987-10-01	78.0607921316303
1988-01-01	78.2208201253792
1988-04-01	78.6064679743536
1988-07-01	78.6728660109623
1988-10-01	78.6213226951747
1989-01-01	78.9866331046221
1989-04-01	79.3947761980355
1989-07-01	79.4017858338014
1989-10-01	79.3731582746139
1990-01-01	79.9308591546555
1990-04-01	79.7678550864778
1990-07-01	79.7798296524837
1990-10-01	79.8829399941450
1991-01-01	80.3105409402716
1991-04-01	80.0650048708065
1991-07-01	80.2151838229320
1991-10-01	80.6506144931185
1992-01-01	80.5172905210678
1992-04-01	80.3297642874073
1992-07-01	80.1501518387464
1992-10-01	80.6416134098728
1993-01-01	79.9299441095048
1993-04-01	80.0658402982790
1993-07-01	79.8810128808205
1993-10-01	80.1154881874637
1994-01-01	79.6296793149808
1994-04-01	79.8784479070408
1994-07-01	79.4208539252701
1994-10-01	79.4778491279250
1995-01-01	79.3548214880390
1995-04-01	79.4364179085945
1995-07-01	79.5639895463881
1995-10-01	79.2154201854221
1996-01-01	79.5221771909559
1996-04-01	79.5513634093654
1996-07-01	79.8372167453116
1996-10-01	79.6279621044366
1997-01-01	80.1172241986226
1997-04-01	80.1131416474071
1997-07-01	79.9831002996597
1997-10-01	79.8223284574719
1998-01-01	79.8893935203922
1998-04-01	79.3523507713592
1998-07-01	79.1619435344358
1998-10-01	78.8887921919699
1999-01-01	78.7020143951044
1999-04-01	78.6164909661086
1999-07-01	78.9153779311131
1999-10-01	78.9050188855584
2000-01-01	78.3921941501298
2000-04-01	78.8389459691488
2000-07-01	78.7446052414022
2000-10-01	78.8410589259685
2001-01-01	79.0079868788014
2001-04-01	78.6604025121952
2001-07-01	78.4939188384156
2001-10-01	78.3414913667319
2002-01-01	78.1589729899244
2002-04-01	77.8731722072928
2002-07-01	78.0112655111486
2002-10-01	78.4104110803661
2003-01-01	78.2410186875168
2003-04-01	78.2847422223152
2003-07-01	78.3892675059089
2003-10-01	78.7105692332103
2004-01-01	78.7475595879500
2004-04-01	78.6195052940953
2004-07-01	78.8508757747490
2004-10-01	78.7982628422452
2005-01-01	78.9777746882187
2005-04-01	79.1814731886227
2005-07-01	79.3052003830796
2005-10-01	79.1366074693574
2006-01-01	79.5942532029991
2006-04-01	79.8012623176143
2006-07-01	79.7727601558181
2006-10-01	79.7373496189669
2007-01-01	79.9640275966046
2007-04-01	80.5890481350376
2007-07-01	80.2492255524511
2007-10-01	80.4983907704977
2008-01-01	80.3059025883058
2008-04-01	80.2193318032229
2008-07-01	80.2518558666382
2008-10-01	80.3556004553264
2009-01-01	80.0886027315968
2009-04-01	79.3810366817047
2009-07-01	79.6484434380022
2009-10-01	79.7758770697341
2010-01-01	79.9991081091052
2010-04-01	79.9779759158462
2010-07-01	80.1537074321528
2010-10-01	80.0639558639342
2011-01-01	80.5522558417548
2011-04-01	80.6410520795074
2011-07-01	80.5473850732522
2011-10-01	80.4430238539084
2012-01-01	80.3306509206064
2012-04-01	80.6048870402401
2012-07-01	80.4557808537356
2012-10-01	80.6508824398339
2013-01-01	80.9673814890240
2013-04-01	81.4036352907516
2013-07-01	81.4409512720027
2013-10-01	81.8412968708476
2014-01-01	81.9315217751339
2014-04-01	82.1871599947707
2014-07-01	82.1655196546310
2014-10-01	82.5236952404894
2015-01-01	82.5621637081724
2015-04-01	82.5120726542526
2015-07-01	82.7036164656911
2015-10-01	82.8247269590088
2016-01-01	83.2318279475796
2016-04-01	83.1122724757914
2016-07-01	83.6634176106804
2016-10-01	83.6748347400156
2017-01-01	83.8041222277594
2017-04-01	84.0379989110742
2017-07-01	84.2904258998292
2017-10-01	84.6939081566896
2018-01-01	85.0262280888800
2018-04-01	85.1970565366123
2018-07-01	85.4437963147981