Quarter	Percent, Seasonally Adjusted
1999-01-01	45.8054122797622
1999-04-01	45.1071443537215
1999-07-01	44.7032963799795
1999-10-01	44.3028262029649
2000-01-01	43.4733626279077
2000-04-01	43.3496733518797
2000-07-01	43.0219574517878
2000-10-01	42.8693657744617
2001-01-01	41.5312076877201
2001-04-01	39.3915675361353
2001-07-01	38.3131515320946
2001-10-01	37.6475018409736
2002-01-01	36.7643180826784
2002-04-01	36.6019410707031
2002-07-01	35.7869305855346
2002-10-01	34.6864289565597
2003-01-01	35.6718117420447
2003-04-01	35.0109172682629
2003-07-01	34.4454319266296
2003-10-01	33.0469447907574
2004-01-01	32.5862239976698
2004-04-01	31.3266033817194
2004-07-01	30.8024224235360
2004-10-01	30.9825939370394
2005-01-01	31.1032173438154
2005-04-01	30.4468506037949
2005-07-01	29.7267609160273
2005-10-01	30.0207901797304
2006-01-01	29.4741474065669
2006-04-01	29.7934693815795
2006-07-01	30.4627710518254
2006-10-01	31.1098888785418
2007-01-01	30.4480605883279
2007-04-01	29.7986917147461
2007-07-01	29.0470845278236
2007-10-01	28.8774598846516
2008-01-01	28.9490949226927
2008-04-01	28.7620260475321
2008-07-01	29.3922722067983
2008-10-01	27.7339095157010
2009-01-01	27.3618944607794
2009-04-01	28.0679883824713
2009-07-01	27.7372429218197
2009-10-01	27.8217485595404
2010-01-01	27.7687985174864
2010-04-01	27.7147362145839
2010-07-01	27.0792262033298
2010-10-01	27.5597246424168
2011-01-01	27.6089546165021
2011-04-01	27.0831318504923
2011-07-01	27.1628512995076
2011-10-01	26.1222728988468
2012-01-01	26.1334611257379
2012-04-01	27.1051289050902
2012-07-01	28.3213959030955
2012-10-01	30.0544788028057
2013-01-01	29.6244001263934
2013-04-01	30.0038404207414
2013-07-01	32.0171931892472
2013-10-01	32.2657637222124
2014-01-01	33.3161700649155
2014-04-01	32.8985125467394
2014-07-01	32.8816364747266
2014-10-01	32.9333540073442
2015-01-01	33.5221582960523
2015-04-01	34.5432238071068
2015-07-01	34.7266244305511
2015-10-01	34.7846269811316
2016-01-01	35.7437765406005
2016-04-01	36.4818332517271
2016-07-01	36.1515036914676
2016-10-01	36.1692184053786
2017-01-01	35.8293450407901
2017-04-01	36.8885011526380
2017-07-01	36.5780528809305
2017-10-01	36.6267924068155
2018-01-01	36.6269606373237
2018-04-01	36.9446946067832