Quarter	Percent, Seasonally Adjusted
2000-01-01	74.5645088212280
2000-04-01	73.5205361692776
2000-07-01	72.9792944034880
2000-10-01	72.1548742643314
2001-01-01	71.7857249431240
2001-04-01	71.6961592320253
2001-07-01	71.5931624421590
2001-10-01	71.2337684558784
2002-01-01	70.4547017371163
2002-04-01	70.5268576661336
2002-07-01	68.3503858016601
2002-10-01	68.3016641343186
2003-01-01	67.7206745755504
2003-04-01	67.3531755986877
2003-07-01	67.1583156466342
2003-10-01	67.4886554942941
2004-01-01	66.4843717100817
2004-04-01	66.4306186448562
2004-07-01	65.0116602214184
2004-10-01	64.4511017452148
2005-01-01	64.0683061166473
2005-04-01	63.6618028860014
2005-07-01	63.3780486572629
2005-10-01	62.9530086120980
2006-01-01	62.4848859248776
2006-04-01	61.9647365645293
2006-07-01	61.0005636710970
2006-10-01	60.2960654099374
2007-01-01	59.9266631798388
2007-04-01	58.4838802514498
2007-07-01	58.0420597271462
2007-10-01	57.9658259108678
2008-01-01	57.5480161617461
2008-04-01	56.5862474332380
2008-07-01	56.2012618313818
2008-10-01	55.6576849136145
2009-01-01	54.1740773634351
2009-04-01	54.7368716491506
2009-07-01	53.6860076239505
2009-10-01	53.3835764284033
2010-01-01	56.2892245113312
2010-04-01	56.1286724407639
2010-07-01	55.4033725021693
2010-10-01	54.2574897777904
2011-01-01	53.1729744232198
2011-04-01	52.4248745876954
2011-07-01	51.4272903822140
2011-10-01	50.0668798561689
2012-01-01	50.1839135139496
2012-04-01	49.1707280425576
2012-07-01	49.0122557967177
2012-10-01	47.7697267135750
2013-01-01	47.9050031124185
2013-04-01	47.3011837325840
2013-07-01	46.9454062184873
2013-10-01	46.7540700066388
2014-01-01	46.6075158042829
2014-04-01	45.9943366575596
2014-07-01	45.0334733253504
2014-10-01	45.0884051546836
2015-01-01	44.5596098093545
2015-04-01	43.1012450876973
2015-07-01	42.7595279748530
2015-10-01	42.9092387405269
2016-01-01	42.1434460226558
2016-04-01	41.2855655959310
2016-07-01	41.0000168098798
2016-10-01	41.3585979125119
2017-01-01	40.6653075493525
2017-04-01	39.5658284676733
2017-07-01	39.7647117173323
2017-10-01	39.3653776923593
2018-01-01	39.1377093303991
2018-04-01	38.1809421668810