Quarter	Percent, Seasonally Adjusted
1970-01-01	53.4069368067422
1970-04-01	53.7734034301497
1970-07-01	53.6693204551056
1970-10-01	53.0730854772310
1971-01-01	53.0640241173180
1971-04-01	52.6940182910860
1971-07-01	52.4042828754615
1971-10-01	52.0384683692013
1972-01-01	51.7631577052016
1972-04-01	51.2123188523681
1972-07-01	51.4787724432821
1972-10-01	52.1329748183399
1973-01-01	52.9272223860466
1973-04-01	51.7443700330378
1973-07-01	51.8338955157904
1973-10-01	52.1566321880422
1974-01-01	51.1942985893112
1974-04-01	50.9172226784990
1974-07-01	50.1670225709852
1974-10-01	50.0615206712297
1975-01-01	49.6917634161514
1975-04-01	50.0453083320827
1975-07-01	50.1232989706691
1975-10-01	49.6498521430135
1976-01-01	50.0468984538188
1976-04-01	49.6275516325034
1976-07-01	50.2966566021962
1976-10-01	50.2359647554512
1977-01-01	50.6383370253418
1977-04-01	51.2375237639119
1977-07-01	51.2951692407037
1977-10-01	51.5403254597910
1978-01-01	51.6848076467210
1978-04-01	52.1758024465905
1978-07-01	52.0370871599575
1978-10-01	52.3527730299228
1979-01-01	52.5710539219394
1979-04-01	52.3837170362532
1979-07-01	52.5399748645061
1979-10-01	52.6272919774579
1980-01-01	52.4313741292578
1980-04-01	52.6411776714075
1980-07-01	53.0970004197163
1980-10-01	52.6574343487584
1981-01-01	52.4893544040100
1981-04-01	52.8962393794774
1981-07-01	52.9160549183443
1981-10-01	53.4186183044245
1982-01-01	53.4951097434722
1982-04-01	53.2966794592163
1982-07-01	53.1765763319337
1982-10-01	53.9336299968922
1983-01-01	54.6969757272963
1983-04-01	54.6482960486835
1983-07-01	54.8106659388177
1983-10-01	54.6071770658608
1984-01-01	54.2886632287020
1984-04-01	54.6896514192560
1984-07-01	54.9728879277331
1984-10-01	55.0683500505782
1985-01-01	54.8937651419146
1985-04-01	54.7568744480133
1985-07-01	54.8727500712311
1985-10-01	54.7696110249979
1986-01-01	55.0822233185380
1986-04-01	54.8535568534509
1986-07-01	55.0681495365602
1986-10-01	54.9220139599993
1987-01-01	54.8709235294959
1987-04-01	55.1686011246266
1987-07-01	55.1226925020483
1987-10-01	55.4640537699165
1988-01-01	55.4618165114795
1988-04-01	55.5603094032210
1988-07-01	55.6866063366705
1988-10-01	55.6716009344705
1989-01-01	56.0797883687087
1989-04-01	56.4822370149985
1989-07-01	56.5478908937639
1989-10-01	56.7701635920863
1990-01-01	57.1895839933958
1990-04-01	57.2517077038997
1990-07-01	57.4334281377170
1990-10-01	57.5134241691950
1991-01-01	57.9050950906454
1991-04-01	58.0318242707904
1991-07-01	58.3559656631843
1991-10-01	58.4474538505434
1992-01-01	58.4359136988250
1992-04-01	58.2791569768899
1992-07-01	58.2981968720692
1992-10-01	58.7163398294021
1993-01-01	58.0872162240626
1993-04-01	58.2236964567582
1993-07-01	58.3395289843483
1993-10-01	58.5888164076365
1994-01-01	58.4229061614900
1994-04-01	58.6681769907138
1994-07-01	58.2677215543112
1994-10-01	58.3198700289079
1995-01-01	58.5678910813851
1995-04-01	58.4750322109774
1995-07-01	58.5088188853300
1995-10-01	58.4700316873304
1996-01-01	58.6938231495674
1996-04-01	58.9262727242929
1996-07-01	59.1541968616049
1996-10-01	59.0301621370131
1997-01-01	59.4609928805197
1997-04-01	59.5561948642845
1997-07-01	59.8440025653723
1997-10-01	59.9086492443637
1998-01-01	59.9382144465667
1998-04-01	59.7788298910598
1998-07-01	59.8659010221536
1998-10-01	59.6513416418984
1999-01-01	59.5196294620980
1999-04-01	59.6616593551990
1999-07-01	59.7188130640725
1999-10-01	59.4827590021941
2000-01-01	59.3183858692575
2000-04-01	59.7460137118255
2000-07-01	59.6381660031483
2000-10-01	59.9187158108350
2001-01-01	60.3465277131710
2001-04-01	59.9774336701904
2001-07-01	59.8237752290072
2001-10-01	60.1057081920972
2002-01-01	59.8711200584734
2002-04-01	59.5461412055584
2002-07-01	59.7999975250456
2002-10-01	60.0397064962001
2003-01-01	59.8469504533796
2003-04-01	60.0651329368320
2003-07-01	59.9688122975871
2003-10-01	60.1661534717467
2004-01-01	60.2318761371647
2004-04-01	60.0491422007078
2004-07-01	60.5134621158836
2004-10-01	60.2488783314167
2005-01-01	60.6141498784498
2005-04-01	60.9164452081273
2005-07-01	61.0769760104773
2005-10-01	60.8690417799496
2006-01-01	61.1297696992928
2006-04-01	61.3000175268106
2006-07-01	61.5167444399258
2006-10-01	61.6153773406242
2007-01-01	61.6554745884928
2007-04-01	62.1143818767317
2007-07-01	61.8819558224951
2007-10-01	62.3951853555247
2008-01-01	62.2510843267745
2008-04-01	62.5037276899386
2008-07-01	62.3148600928564
2008-10-01	62.6006490614561
2009-01-01	62.9240685262704
2009-04-01	62.8263885991051
2009-07-01	63.3371170565283
2009-10-01	63.2069987864571
2010-01-01	63.1735863603235
2010-04-01	63.0287057136622
2010-07-01	63.5026413820555
2010-10-01	63.4735118604618
2011-01-01	63.8117307156919
2011-04-01	64.0007553538391
2011-07-01	63.6379972415860
2011-10-01	63.1848377827082
2012-01-01	63.2181262573479
2012-04-01	63.4462242907654
2012-07-01	63.4942479989931
2012-10-01	63.6110345204346
2013-01-01	64.6578212301072
2013-04-01	64.9104053214257
2013-07-01	65.0999079186680
2013-10-01	65.5826769751634
2014-01-01	65.6942072955294
2014-04-01	65.9769994495604
2014-07-01	66.2145188946734
2014-10-01	66.4728892820049
2015-01-01	66.5168109512840
2015-04-01	66.7620623560047
2015-07-01	67.0565373371529
2015-10-01	67.3023702934482
2016-01-01	67.7819205354033
2016-04-01	67.9708445216299
2016-07-01	68.3968207447738
2016-10-01	68.5959088556189
2017-01-01	68.8538068155264
2017-04-01	69.2745211489286
2017-07-01	69.6419988225111
2017-10-01	70.0235251546778
2018-01-01	70.7337620103220
2018-04-01	71.1032960150663
2018-07-01	71.4954759945068