Quarter	Percent, Seasonally Adjusted
1978-04-01	77.4815421579904
1978-07-01	77.7426387349436
1978-10-01	78.2768437408752
1979-01-01	78.3540475089395
1979-04-01	78.8957115551439
1979-07-01	79.4013579956527
1979-10-01	79.4938760490936
1980-01-01	78.8968692134641
1980-04-01	78.1603406281799
1980-07-01	77.4411112427616
1980-10-01	78.1983161194282
1981-01-01	78.9169619153003
1981-04-01	79.2606264193214
1981-07-01	78.3455812568890
1981-10-01	78.6486632727024
1982-01-01	79.4180247229926
1982-04-01	80.1695431358905
1982-07-01	81.1163579886249
1982-10-01	79.4056653246799
1983-01-01	78.7758683157605
1983-04-01	79.6929503754611
1983-07-01	79.2618296555924
1983-10-01	79.6498137597640
1984-01-01	79.1029256291519
1984-04-01	79.3341751460124
1984-07-01	79.5622029708641
1984-10-01	79.3407030481937
1985-01-01	79.5686029661772
1985-04-01	80.1959508200909
1985-07-01	79.8592116703275
1985-10-01	79.6807517145379
1986-01-01	78.8408296846481
1986-04-01	78.3855302492561
1986-07-01	78.8611342511050
1986-10-01	78.3295261755889
1987-01-01	77.4943777305832
1987-04-01	77.4867964012679
1987-07-01	77.7914559472069
1987-10-01	78.3300407404384
1988-01-01	77.8904972011136
1988-04-01	77.4134019810596
1988-07-01	77.1542190902042
1988-10-01	76.4344965202328
1989-01-01	76.1567499593552
1989-04-01	76.1349111606171
1989-07-01	76.6977559808917
1989-10-01	76.5451159681205
1990-01-01	76.6147939546722
1990-04-01	75.6992509361813
1990-07-01	74.3731911494424
1990-10-01	73.9354262869678
1991-01-01	74.5296613854498
1991-04-01	74.5374644651824
1991-07-01	75.0617595063219
1991-10-01	74.3866113312415
1992-01-01	74.6861059751456
1992-04-01	74.7338336531799
1992-07-01	74.5501728674504
1992-10-01	74.9813853494987
1993-01-01	74.1847157060569
1993-04-01	74.5236498043220
1993-07-01	73.4713311652473
1993-10-01	72.9810411059374
1994-01-01	72.6824670144854
1994-04-01	72.2868945924077
1994-07-01	72.2118472021436
1994-10-01	72.1271057178318
1995-01-01	72.4596096970177
1995-04-01	71.6262891663252
1995-07-01	71.6108543522674
1995-10-01	70.2735487745137
1996-01-01	68.9142228251052
1996-04-01	69.3957665652506
1996-07-01	69.0609496834893
1996-10-01	69.2670199973625
1997-01-01	68.6123719705506
1997-04-01	68.8370201239945
1997-07-01	68.8215245757096
1997-10-01	68.9586150996348
1998-01-01	68.4234009054982
1998-04-01	67.5711081590166
1998-07-01	67.1372724899168
1998-10-01	67.7340885389244
1999-01-01	68.3339773615000
1999-04-01	68.4037277879677
1999-07-01	67.3872935408568
1999-10-01	66.3247709979369
2000-01-01	65.2731378358701
2000-04-01	64.4977266985253
2000-07-01	64.2468790057416
2000-10-01	64.6369664217295
2001-01-01	64.2025649651797
2001-04-01	62.7206932485226
2001-07-01	62.7837776240672
2001-10-01	61.8879164363884
2002-01-01	60.7415594685855
2002-04-01	61.3728455512697
2002-07-01	61.3456194861290
2002-10-01	60.3044387008943
2003-01-01	59.5710828847296
2003-04-01	58.9520410741471
2003-07-01	59.1409795794181
2003-10-01	59.0551850979496
2004-01-01	58.9334967982831
2004-04-01	58.0174397280505
2004-07-01	56.7797438992953
2004-10-01	56.6124946758960
2005-01-01	56.1402866049428
2005-04-01	56.2229250887545
2005-07-01	55.2659150331732
2005-10-01	54.7862005871615
2006-01-01	53.7309478506714
2006-04-01	53.1381985401865
2006-07-01	52.2889824733754
2006-10-01	51.9620963512806
2007-01-01	51.7886706934270
2007-04-01	51.4804494760688
2007-07-01	51.4167675166736
2007-10-01	51.0914885508704
2008-01-01	50.7394575267928
2008-04-01	50.2891824895767
2008-07-01	49.3266524479979
2008-10-01	49.2824422022283
2009-01-01	47.4911216967196
2009-04-01	47.1891718025613
2009-07-01	47.6732782399567
2009-10-01	46.1479421295115
2010-01-01	46.0368132446620
2010-04-01	46.5109926367011
2010-07-01	45.7944090785721
2010-10-01	45.0765529427066
2011-01-01	45.7083292251862
2011-04-01	45.3765960052532
2011-07-01	44.3746320619146
2011-10-01	44.6401761827718
2012-01-01	44.4367338007434
2012-04-01	44.4013691199870
2012-07-01	44.0824869198889
2012-10-01	44.4341427927640
2013-01-01	44.0742988055686
2013-04-01	43.7138804838137
2013-07-01	44.4972665245095
2013-10-01	44.5561475512903
2014-01-01	44.3145189834757
2014-04-01	43.8162848563155
2014-07-01	43.4101193629242
2014-10-01	43.7765532781722
2015-01-01	43.4871949290896
2015-04-01	43.4144510553623
2015-07-01	42.9325442493424
2015-10-01	41.0967723769433
2016-01-01	40.8093365766654
2016-04-01	41.2462755297590
2016-07-01	41.6226629316401
2016-10-01	41.0198935565816
2017-01-01	40.1948232810122
2017-04-01	39.6149131259513
2017-07-01	39.9096924103948
2017-10-01	39.9031524073883
2018-01-01	40.0915588540299
2018-04-01	39.7966785056397
2018-07-01	39.2236174765330