Quarter	Percent, Seasonally Adjusted
1999-07-01	67.2319496837582
1999-10-01	67.1209711361044
2000-01-01	66.9703829453410
2000-04-01	67.4212620294453
2000-07-01	66.8556147015687
2000-10-01	66.6395055437395
2001-01-01	66.9147015054710
2001-04-01	66.3280313404236
2001-07-01	66.3722561925480
2001-10-01	65.9892751230705
2002-01-01	65.1141883435447
2002-04-01	65.2481394213996
2002-07-01	65.7798415818329
2002-10-01	65.9528321026045
2003-01-01	65.7402117312849
2003-04-01	66.1225967724401
2003-07-01	65.4559604957915
2003-10-01	64.9653306225430
2004-01-01	64.9689423019534
2004-04-01	64.9653231787123
2004-07-01	65.2049290617710
2004-10-01	64.4851165052416
2005-01-01	65.4658693960560
2005-04-01	66.0156246900691
2005-07-01	66.5406902063466
2005-10-01	67.3869128778456
2006-01-01	68.0769466288433
2006-04-01	68.8887851287431
2006-07-01	69.4718445668920
2006-10-01	70.0100912432409
2007-01-01	70.2839736666252
2007-04-01	71.2277079115443
2007-07-01	71.5050802884029
2007-10-01	71.7876021616153
2008-01-01	72.8196680799282
2008-04-01	72.9439191685695
2008-07-01	74.0083579755902
2008-10-01	75.1714976190276
2009-01-01	75.6862039298504
2009-04-01	74.7441920361420
2009-07-01	74.3220727386514
2009-10-01	74.8593251185665
2010-01-01	74.6410709343791
2010-04-01	74.7616420283923
2010-07-01	74.8508857595152
2010-10-01	74.7851912513694
2011-01-01	74.3168898496091
2011-04-01	74.7976262714752
2011-07-01	74.6149586152468
2011-10-01	74.2136807480498
2012-01-01	73.8752983641195
2012-04-01	73.2388140656898
2012-07-01	73.4635740015988
2012-10-01	73.6138483037137
2013-01-01	74.0281470943112
2013-04-01	74.0021694898523
2013-07-01	73.5939242033164
2013-10-01	72.7796680226419
2014-01-01	71.8273867013886
2014-04-01	72.2279219471924
2014-07-01	71.0689885524359
2014-10-01	71.0728107200313
2015-01-01	70.4355537904189
2015-04-01	69.9837083476323
2015-07-01	70.2787546978544
2015-10-01	69.8171464326647
2016-01-01	70.0778086934958
2016-04-01	69.8073580040189
2016-07-01	69.6722886340670
2016-10-01	69.8138504219898
2017-01-01	69.9709465587054
2017-04-01	68.9725936065241
2017-07-01	69.6660275598480
2017-10-01	70.2351646865359
2018-01-01	70.3732404092917
2018-04-01	71.0009812563685
2018-07-01	70.9093394131162