Quarter	Percent, Seasonally Adjusted
1986-01-01	82.4511222856396
1986-04-01	81.2381925558551
1986-07-01	80.4178120684512
1986-10-01	79.1240053871956
1987-01-01	79.8891906894690
1987-04-01	79.4450441891318
1987-07-01	79.5376080963094
1987-10-01	78.9100489490076
1988-01-01	76.2290740657810
1988-04-01	75.9449390815920
1988-07-01	75.1674973423295
1988-10-01	74.0178416389210
1989-01-01	75.0059541643874
1989-04-01	73.6660572530421
1989-07-01	73.1561376074486
1989-10-01	73.2843326907605
1990-01-01	71.5049468241495
1990-04-01	73.6732350522626
1990-07-01	72.3161339380796
1990-10-01	72.5733947713517
1991-01-01	71.6257660040266
1991-04-01	71.6222901331733
1991-07-01	71.1513781606532
1991-10-01	71.2139543971592
1992-01-01	70.6857183765446
1992-04-01	69.9297616974970
1992-07-01	68.9970783799849
1992-10-01	68.9305393066032
1993-01-01	68.6223391667947
1993-04-01	69.3788053584488
1993-07-01	68.1349198943311
1993-10-01	68.9648687292463
1994-01-01	69.3970289499483
1994-04-01	69.5821419832817
1994-07-01	70.9187335182702
1994-10-01	70.1851675741646
1995-01-01	70.6556357476960
1995-04-01	71.1213051587012
1995-07-01	71.0201075551217
1995-10-01	72.0856055158158
1996-01-01	70.3340839108447
1996-04-01	70.6971241330252
1996-07-01	71.1800547194739
1996-10-01	69.9956250427778
1997-01-01	69.1789980783759
1997-04-01	70.0466421148657
1997-07-01	69.3652201290551
1997-10-01	70.0603314010404
1998-01-01	69.4546956269813
1998-04-01	68.4869671225224
1998-07-01	67.6939638296743
1998-10-01	65.8552484505024
1999-01-01	66.4613917208873
1999-04-01	66.0677873880785
1999-07-01	67.3917930854233
1999-10-01	66.7178474459856
2000-01-01	66.7693533062276
2000-04-01	64.6551542419098
2000-07-01	65.3630328621432
2000-10-01	66.4778254760214
2001-01-01	65.6993647374735
2001-04-01	65.7792353317340
2001-07-01	66.7853277964363
2001-10-01	66.4542100603430
2002-01-01	68.1202706102438
2002-04-01	66.1883286485114
2002-07-01	66.5868681178403
2002-10-01	66.0591118843270
2003-01-01	65.4133849448459
2003-04-01	65.0585523792650
2003-07-01	65.4381880380574
2003-10-01	65.1967482678757
2004-01-01	64.9092413248337
2004-04-01	65.9476574155963
2004-07-01	65.2855852584664
2004-10-01	66.4962511243677
2005-01-01	65.5410969781565
2005-04-01	65.8228487330964
2005-07-01	65.6676419731596
2005-10-01	65.0183484036040
2006-01-01	67.4958966694760
2006-04-01	67.3298319058965
2006-07-01	66.8683279149320
2006-10-01	67.5394887254949
2007-01-01	67.3193546073719
2007-04-01	66.3397685274493
2007-07-01	67.6963483442449
2007-10-01	66.5870327695272
2008-01-01	64.9152819232677
2008-04-01	66.2376806907870
2008-07-01	65.2019570728207
2008-10-01	65.5995573375125
2009-01-01	63.7582913647541
2009-04-01	64.6650575178333
2009-07-01	61.8727239717143
2009-10-01	62.9732951430958
2010-01-01	60.2042463064349
2010-04-01	61.7462789886293
2010-07-01	60.7742774793178
2010-10-01	60.8181562537035
2011-01-01	61.5208733708101
2011-04-01	61.0012605421092
2011-07-01	60.7070338695238
2011-10-01	60.7168855174062
2012-01-01	61.5329593045962
2012-04-01	60.8453050795258
2012-07-01	61.3830492261251
2012-10-01	58.0991779520154
2013-01-01	58.4176727000168
2013-04-01	58.8338745911250
2013-07-01	59.9692263948710
2013-10-01	61.4957035962187
2014-01-01	61.3707399559383
2014-04-01	61.8710130750148
2014-07-01	61.9126665978511
2014-10-01	63.8076734897200
2015-01-01	64.3858329314112
2015-04-01	63.5643532778714
2015-07-01	63.5447602827066
2015-10-01	63.2703374282934
2016-01-01	64.3825078585185
2016-04-01	64.4583160753065
2016-07-01	65.4669233459554
2016-10-01	65.4636713748446
2017-01-01	66.3519619506742
2017-04-01	64.8102306712708
2017-07-01	65.3621687578735
2017-10-01	65.1896178754300
2018-01-01	64.9972761632938
2018-04-01	65.6067091799468
2018-07-01	63.9305111767042