Quarter	Percent, Seasonally Adjusted
1960-01-01	68.9640339576660
1960-04-01	69.1905572733473
1960-07-01	69.6759599098781
1960-10-01	69.4199295032825
1961-01-01	69.5583321352495
1961-04-01	69.0272048302962
1961-07-01	69.0010277742597
1961-10-01	69.1341967881263
1962-01-01	68.7372065958748
1962-04-01	68.5201781624916
1962-07-01	68.2497897449051
1962-10-01	67.8741832094292
1963-01-01	67.1540657512039
1963-04-01	67.1680610675189
1963-07-01	67.1217246441630
1963-10-01	66.9699178653898
1964-01-01	66.6845176567956
1964-04-01	66.2961213886628
1964-07-01	65.8966881141381
1964-10-01	65.8580782427142
1965-01-01	65.8948523305376
1965-04-01	65.5506516697235
1965-07-01	65.7523691188208
1965-10-01	65.7521967414136
1966-01-01	66.0792875056023
1966-04-01	65.8260414269390
1966-07-01	65.7686302412935
1966-10-01	65.7658992374339
1967-01-01	65.8059200437599
1967-04-01	66.2403369994865
1967-07-01	66.0194110305701
1967-10-01	65.8886804040163
1968-01-01	65.8568961666971
1968-04-01	66.0281008013482
1968-07-01	66.0750988151006
1968-10-01	66.0613937727667
1969-01-01	65.5764636759174
1969-04-01	65.6443763812944
1969-07-01	65.6929137888219
1969-10-01	65.5056834579797
1970-01-01	65.4423294274525
1970-04-01	65.4707188057489
1970-07-01	65.5928963865151
1970-10-01	65.2648798389328
1971-01-01	65.4220745850068
1971-04-01	65.2027282397112
1971-07-01	64.9343566995854
1971-10-01	64.8347260661453
1972-01-01	64.6939833512882
1972-04-01	64.3591794713973
1972-07-01	64.4741466538961
1972-10-01	64.5862205576697
1973-01-01	65.0903209616580
1973-04-01	64.5326988739498
1973-07-01	64.6768323478803
1973-10-01	64.8882932503752
1974-01-01	64.1727318929360
1974-04-01	64.0458721200776
1974-07-01	63.5918883164709
1974-10-01	63.5380446583218
1975-01-01	63.1367511076039
1975-04-01	63.2357970524762
1975-07-01	63.3194163631072
1975-10-01	63.2129397279793
1976-01-01	63.3941025959353
1976-04-01	62.9134670370149
1976-07-01	63.1755505230213
1976-10-01	63.0997908771220
1977-01-01	63.2066079702157
1977-04-01	63.3318527567838
1977-07-01	63.3994809367944
1977-10-01	63.3723203886114
1978-01-01	63.4830412584357
1978-04-01	63.7917470568708
1978-07-01	63.4290808737161
1978-10-01	63.6092961878989
1979-01-01	63.5766906589127
1979-04-01	63.6063117158467
1979-07-01	63.7159395732412
1979-10-01	63.6149009992318
1980-01-01	63.3752265310810
1980-04-01	63.4048292571466
1980-07-01	63.7179709567632
1980-10-01	63.4679391662785
1981-01-01	63.5214043401269
1981-04-01	63.4983558577406
1981-07-01	63.4857709100380
1981-10-01	63.5616740632724
1982-01-01	63.5782677952738
1982-04-01	63.5479075081924
1982-07-01	63.3323213692195
1982-10-01	63.8175023868054
1983-01-01	64.1731542984272
1983-04-01	64.1290052514335
1983-07-01	64.0178112915727
1983-10-01	63.8954322486290
1984-01-01	63.6156702512391
1984-04-01	63.7342051565331
1984-07-01	63.8073713614475
1984-10-01	63.7801623343056
1985-01-01	63.5882207834519
1985-04-01	63.3479544484456
1985-07-01	63.3205605200786
1985-10-01	63.1396990116910
1986-01-01	63.2625801135872
1986-04-01	63.1309519569849
1986-07-01	63.1967550103879
1986-10-01	63.0163302871888
1987-01-01	62.8968581673801
1987-04-01	62.9303352467718
1987-07-01	62.8794047017444
1987-10-01	62.9981940930928
1988-01-01	62.9315976644627
1988-04-01	62.9188426295888
1988-07-01	62.9468142677468
1988-10-01	62.8671531664665
1989-01-01	62.9493991550805
1989-04-01	63.1985448723454
1989-07-01	63.2458416482833
1989-10-01	63.2929610496128
1990-01-01	63.4323113996897
1990-04-01	63.5166916384240
1990-07-01	63.6242259808588
1990-10-01	63.7160166723140
1991-01-01	63.9206986697762
1991-04-01	64.0237311123560
1991-07-01	64.1496625151303
1991-10-01	64.1478082856800
1992-01-01	64.2723977680438
1992-04-01	64.0237274332587
1992-07-01	63.9741205314346
1992-10-01	64.2494023362764
1993-01-01	63.8428123964369
1993-04-01	63.8393869251784
1993-07-01	63.8447872735297
1993-10-01	64.0134650203497
1994-01-01	63.8197950139931
1994-04-01	63.8326277076174
1994-07-01	63.5786571408316
1994-10-01	63.4907153179417
1995-01-01	63.5377489645633
1995-04-01	63.4377347781240
1995-07-01	63.5849926422511
1995-10-01	63.3690175853952
1996-01-01	63.3636851162057
1996-04-01	63.4979643009900
1996-07-01	63.7203662842422
1996-10-01	63.5914374132313
1997-01-01	63.7721023586891
1997-04-01	63.8239370246987
1997-07-01	63.7325304574489
1997-10-01	63.6023100865540
1998-01-01	63.5763549717258
1998-04-01	63.5104441294581
1998-07-01	63.2988567572860
1998-10-01	63.1445059330236
1999-01-01	63.0472650070322
1999-04-01	63.0178301701331
1999-07-01	62.9639573078882
1999-10-01	62.7889221988567
2000-01-01	62.5386096117819
2000-04-01	62.4726668099289
2000-07-01	62.4237843255072
2000-10-01	62.6276310370586
2001-01-01	62.4597477506703
2001-04-01	62.0845243665625
2001-07-01	61.8782324019901
2001-10-01	61.8731224868307
2002-01-01	61.5939369563753
2002-04-01	61.1980461112507
2002-07-01	61.1936750090996
2002-10-01	61.0865266794217
2003-01-01	61.0041922696372
2003-04-01	61.0508204869472
2003-07-01	60.7676184264005
2003-10-01	60.6830179310339
2004-01-01	60.6265936261688
2004-04-01	60.4995357527970
2004-07-01	60.5988764577043
2004-10-01	60.3137998915439
2005-01-01	60.4107125045172
2005-04-01	60.4870211427174
2005-07-01	60.5794089433127
2005-10-01	60.4634382726672
2006-01-01	60.4383451173597
2006-04-01	60.3472742617991
2006-07-01	60.5079323515166
2006-10-01	60.5649662620476
2007-01-01	60.4151673027480
2007-04-01	60.5306001117794
2007-07-01	60.3428577378820
2007-10-01	60.4950108471916
2008-01-01	60.2642388430450
2008-04-01	60.4026255573541
2008-07-01	60.1245187144036
2008-10-01	60.1509245305288
2009-01-01	60.1394847740026
2009-04-01	59.9284912284522
2009-07-01	59.9699622854310
2009-10-01	59.7105445909333
2010-01-01	59.7783281000426
2010-04-01	59.6613479530333
2010-07-01	59.7965329523284
2010-10-01	59.6573921296261
2011-01-01	59.5951973204326
2011-04-01	59.2996791333487
2011-07-01	59.2113088160896
2011-10-01	59.2853664416118
2012-01-01	59.1618170501360
2012-04-01	59.1079544193515
2012-07-01	59.0710016928768
2012-10-01	59.0622445087264
2013-01-01	59.2937378419767
2013-04-01	59.3238625356662
2013-07-01	59.3149515031716
2013-10-01	59.5731357744271
2014-01-01	59.3814905996638
2014-04-01	59.5598332728838
2014-07-01	59.5515405411016
2014-10-01	59.5814919422496
2015-01-01	59.6703400478139
2015-04-01	59.5593847147272
2015-07-01	59.6841900991556
2015-10-01	59.7154282453304
2016-01-01	59.9435665838461
2016-04-01	59.9747838628980
2016-07-01	60.1891242886290
2016-10-01	60.2539854093488
2017-01-01	60.2629492182989
2017-04-01	60.5056944791005
2017-07-01	60.6707500150123
2017-10-01	60.6961608810757
2018-01-01	61.3866281352844
2018-04-01	61.5315396458949
2018-07-01	61.5054020345706