Quarter	Percent, Seasonally Adjusted
2000-01-01	72.7902830636336
2000-04-01	73.1505716212056
2000-07-01	73.3841810959385
2000-10-01	73.7066147376388
2001-01-01	73.6630541083129
2001-04-01	73.4687627725218
2001-07-01	73.2941349419680
2001-10-01	73.5451373644317
2002-01-01	73.5026602192577
2002-04-01	74.0630556383742
2002-07-01	73.8261678859256
2002-10-01	73.5656775470130
2003-01-01	73.1940640478734
2003-04-01	73.1699564066853
2003-07-01	73.1597836697809
2003-10-01	72.9835099905334
2004-01-01	73.1023012491156
2004-04-01	72.9952564721791
2004-07-01	72.9257228861056
2004-10-01	72.7448000222246
2005-01-01	72.6871355758598
2005-04-01	72.7251512416403
2005-07-01	72.5709731317351
2005-10-01	72.4879041146826
2006-01-01	72.6225822772644
2006-04-01	72.6253245057227
2006-07-01	72.8205193550889
2006-10-01	73.0529478148782
2007-01-01	73.1518125664754
2007-04-01	73.2385282127985
2007-07-01	73.3530105506265
2007-10-01	73.0535967232832
2008-01-01	73.1950694754775
2008-04-01	73.5151863460028
2008-07-01	73.1652748804706
2008-10-01	73.7076199349001
2009-01-01	73.6801050058046
2009-04-01	73.3817366346166
2009-07-01	73.0691740152684
2009-10-01	73.0008895440853
2010-01-01	71.7842225003256
2010-04-01	71.5865347924097
2010-07-01	71.4062020294104
2010-10-01	71.1035936129708
2011-01-01	70.4831990603170
2011-04-01	70.1995590238881
2011-07-01	70.5014439867674
2011-10-01	70.7937929272393
2012-01-01	70.9608547800549
2012-04-01	70.9576308336270
2012-07-01	70.8689465415824
2012-10-01	70.7428373772491
2013-01-01	70.7902002195369
2013-04-01	70.8268047947462
2013-07-01	70.8339749834021
2013-10-01	70.7950514936684
2014-01-01	70.6254637712272
2014-04-01	70.5430336388490
2014-07-01	70.4145869273790
2014-10-01	70.3916933522885
2015-01-01	70.3136313791963
2015-04-01	70.1874662735497
2015-07-01	70.0986191340199
2015-10-01	69.9130530098222
2016-01-01	69.8569378988892
2016-04-01	69.7688309189589
2016-07-01	69.5605027002822
2016-10-01	69.4139256752772
2017-01-01	69.3812602505684
2017-04-01	69.3152252608842
2017-07-01	69.3849639706763
2017-10-01	69.4061569648297
2018-01-01	69.4755402171919
2018-04-01	69.4881245945436