Quarter	Percent, Seasonally Adjusted
1970-01-01	55.1967827263835
1970-04-01	55.4352838156152
1970-07-01	55.9631286496545
1970-10-01	56.1108530728122
1971-01-01	56.5185113438504
1971-04-01	56.6206624671782
1971-07-01	55.9009871703024
1971-10-01	55.4721318908257
1972-01-01	55.1812617124353
1972-04-01	54.0685110230308
1972-07-01	53.8931812709132
1972-10-01	53.9565443933502
1973-01-01	53.7832469492686
1973-04-01	52.9920492451355
1973-07-01	52.5797694341746
1973-10-01	51.7587627097589
1974-01-01	50.8028460092494
1974-04-01	50.6058439734101
1974-07-01	49.6327795460037
1974-10-01	49.2414692673514
1975-01-01	48.2907140663844
1975-04-01	48.0570756882238
1975-07-01	47.7760200027711
1975-10-01	47.9653317065653
1976-01-01	47.5872216363065
1976-04-01	46.2126913707188
1976-07-01	46.1188118157690
1976-10-01	45.7245135968834
1977-01-01	45.8293774624555
1977-04-01	45.3232094398696
1977-07-01	45.2940766478003
1977-10-01	45.0710668351269
1978-01-01	45.1929520127396
1978-04-01	45.3864961152143
1978-07-01	44.4544377719892
1978-10-01	44.2286415146966
1979-01-01	44.2634411878688
1979-04-01	44.2812212189508
1979-07-01	44.0537053427101
1979-10-01	43.6382248908603
1980-01-01	42.9868229570125
1980-04-01	43.1702878616882
1980-07-01	43.9955762266836
1980-10-01	43.8673531429927
1981-01-01	43.8674092628080
1981-04-01	43.8684869306217
1981-07-01	43.6150383437381
1981-10-01	43.2186694286316
1982-01-01	43.1814589273564
1982-04-01	43.3392963827762
1982-07-01	43.4229178805908
1982-10-01	44.1012506305849
1983-01-01	44.4201864505796
1983-04-01	44.5785171655868
1983-07-01	44.0001322911658
1983-10-01	43.9896549915626
1984-01-01	43.6850635248175
1984-04-01	43.9156502503527
1984-07-01	44.0602370463912
1984-10-01	43.7670818031780
1985-01-01	43.5538772817551
1985-04-01	42.7843662605377
1985-07-01	42.9305347717243
1985-10-01	43.0892660707042
1986-01-01	43.5369671148790
1986-04-01	43.1651870150653
1986-07-01	43.2890221773243
1986-10-01	43.0360072734455
1987-01-01	42.8137204627833
1987-04-01	42.7936894204222
1987-07-01	42.8311554719114
1987-10-01	42.7627953911551
1988-01-01	42.6056664115728
1988-04-01	42.9224265605351
1988-07-01	42.7299624485942
1988-10-01	42.8379054667799
1989-01-01	43.1215051793591
1989-04-01	43.3621350413986
1989-07-01	43.3219946541234
1989-10-01	43.4960644814778
1990-01-01	43.6923912996370
1990-04-01	44.1231431728945
1990-07-01	44.3834376920021
1990-10-01	44.8172436756413
1991-01-01	44.9846726663963
1991-04-01	45.6128832593384
1991-07-01	45.9639920490135
1991-10-01	46.0919216814542
1992-01-01	46.5225709748030
1992-04-01	46.5389711513885
1992-07-01	46.6860690591672
1992-10-01	46.7816304022620
1993-01-01	46.7828410440415
1993-04-01	46.9911061834971
1993-07-01	47.2847114091379
1993-10-01	47.7860098985205
1994-01-01	47.6024815271144
1994-04-01	47.7145595883599
1994-07-01	47.7169259714590
1994-10-01	47.7829545311960
1995-01-01	47.7894026867222
1995-04-01	47.4441021662823
1995-07-01	47.7581145559886
1995-10-01	48.0021883663777
1996-01-01	48.3156137847738
1996-04-01	48.4785442820939
1996-07-01	48.4803234824208
1996-10-01	48.0992045040076
1997-01-01	48.5248135565150
1997-04-01	48.4731112808906
1997-07-01	48.7511204356612
1997-10-01	48.4800250658831
1998-01-01	48.3827201809804
1998-04-01	48.3569401757795
1998-07-01	48.3196392746484
1998-10-01	48.2872681409305
1999-01-01	47.9084061136162
1999-04-01	47.6698853463149
1999-07-01	47.1620796925813
1999-10-01	46.8673393242483
2000-01-01	47.0482214630129
2000-04-01	47.0209985146088
2000-07-01	46.7996656997139
2000-10-01	47.4717645333108
2001-01-01	46.9868285928496
2001-04-01	46.8017157763077
2001-07-01	46.2922011397953
2001-10-01	46.0468619882470
2002-01-01	45.7709101842209
2002-04-01	45.6000766160190
2002-07-01	45.7529950849018
2002-10-01	45.0213435931401
2003-01-01	45.2030680214706
2003-04-01	45.0369639817362
2003-07-01	44.6864206852224
2003-10-01	44.5524221293139
2004-01-01	44.3322220306624
2004-04-01	43.9897925898833
2004-07-01	44.4651519463750
2004-10-01	44.4185532284185
2005-01-01	44.2450676951276
2005-04-01	44.4986325671193
2005-07-01	44.9679421981545
2005-10-01	45.3743375763366
2006-01-01	45.2288116558397
2006-04-01	44.8807644795407
2006-07-01	44.9564860384634
2006-10-01	44.8354721452603
2007-01-01	45.0445437398994
2007-04-01	45.2276845023012
2007-07-01	44.5627199167448
2007-10-01	44.5621708829122
2008-01-01	44.5573970053649
2008-04-01	44.8043752244183
2008-07-01	44.2568932475635
2008-10-01	44.2076077541479
2009-01-01	43.8772603707593
2009-04-01	43.7996795374093
2009-07-01	43.4337098855299
2009-10-01	42.9572353940482
2010-01-01	42.9286896602083
2010-04-01	42.4152762533262
2010-07-01	42.7091787607661
2010-10-01	43.1653039777575
2011-01-01	42.9842676784195
2011-04-01	43.2170765025053
2011-07-01	42.1770998575777
2011-10-01	41.7891312262157
2012-01-01	41.4340050372555
2012-04-01	41.4611426977720
2012-07-01	42.3390435386898
2012-10-01	41.6759714226058
2013-01-01	42.1734522607505
2013-04-01	42.5251375739419
2013-07-01	42.4278932588483
2013-10-01	42.5759346542216
2014-01-01	42.8071509314298
2014-04-01	42.4836155301224
2014-07-01	42.9843351954067
2014-10-01	42.6237302624212
2015-01-01	42.2132651143005
2015-04-01	42.4641238501335
2015-07-01	42.4327890309165
2015-10-01	43.6333321725791
2016-01-01	44.2282316715233
2016-04-01	44.2066588138620
2016-07-01	44.4312422972741
2016-10-01	44.9500070425225
2017-01-01	44.2448191539412
2017-04-01	44.7120450789895
2017-07-01	45.0478936047657
2017-10-01	44.4977581010562
2018-01-01	47.1283272008842
2018-04-01	47.2424429974011
2018-07-01	47.7782405271095