Quarter	Percent, Seasonally Adjusted
2001-01-01	72.1142264292337
2001-04-01	72.2864501090162
2001-07-01	72.3178775546912
2001-10-01	72.4142011141253
2002-01-01	72.4994726326456
2002-04-01	72.1998914678254
2002-07-01	72.1923620776046
2002-10-01	72.0839503474053
2003-01-01	71.9232875591711
2003-04-01	71.8357495145455
2003-07-01	71.1859582347664
2003-10-01	70.9812425426037
2004-01-01	70.7462253802758
2004-04-01	70.4545837949786
2004-07-01	70.5492949870270
2004-10-01	70.2339041227237
2005-01-01	70.0482050662383
2005-04-01	70.2493096890232
2005-07-01	70.0953047219748
2005-10-01	70.4997456365090
2006-01-01	70.3472883992484
2006-04-01	70.3393780338873
2006-07-01	71.0464429872804
2006-10-01	71.0805397551489
2007-01-01	71.3622883862394
2007-04-01	71.6053552736313
2007-07-01	72.0338824221989
2007-10-01	72.0936849169507
2008-01-01	72.0536536145989
2008-04-01	71.9969041563305
2008-07-01	71.8831227987426
2008-10-01	71.4232269502591
2009-01-01	71.1135088573606
2009-04-01	70.6365965430858
2009-07-01	69.5391411127301
2009-10-01	69.5362547627596
2010-01-01	69.3169455357522
2010-04-01	69.4868182434162
2010-07-01	69.7723083372449
2010-10-01	70.0291482744289
2011-01-01	70.8031268444299
2011-04-01	71.1470727781266
2011-07-01	71.3675990963411
2011-10-01	71.7378130754426
2012-01-01	71.7260406967903
2012-04-01	71.8356013332619
2012-07-01	71.9247338736702
2012-10-01	71.8181161966031
2013-01-01	72.0653854760112
2013-04-01	72.4469552183967
2013-07-01	72.4151872987611
2013-10-01	72.8947555607692
2014-01-01	72.7328909830616
2014-04-01	72.9030338641525
2014-07-01	73.7856829681320
2014-10-01	73.0457326656007
2015-01-01	73.4092550415338
2015-04-01	73.6169556936190
2015-07-01	74.3769240947646
2015-10-01	74.5076953185114
2016-01-01	74.6256850177905
2016-04-01	74.9089070907258
2016-07-01	74.7182529109733
2016-10-01	75.0180388033734
2017-01-01	75.4775666589207
2017-04-01	75.1971799258091
2017-07-01	75.4163094503898
2017-10-01	75.4983646163936
2018-01-01	75.5986822735590
2018-04-01	76.0213426132309