Quarter	Percent, Seasonally Adjusted
1999-01-01	33.9715966397312
1999-04-01	35.1858592901655
1999-07-01	33.0142618674559
1999-10-01	32.9390097940716
2000-01-01	36.8778971429719
2000-04-01	35.1877089383624
2000-07-01	37.3245077374549
2000-10-01	36.1642114057662
2001-01-01	34.6178151814943
2001-04-01	35.2616081410716
2001-07-01	35.2532686213080
2001-10-01	35.4670557494565
2002-01-01	36.4008403670614
2002-04-01	35.2531090824061
2002-07-01	36.7551285696623
2002-10-01	35.4836418607077
2003-01-01	34.4799295396344
2003-04-01	38.8145816479093
2003-07-01	38.1339437380673
2003-10-01	39.7988539953442
2004-01-01	38.6523128613897
2004-04-01	39.4589276825463
2004-07-01	39.6829172036309
2004-10-01	38.4914482000676
2005-01-01	41.1093490014247
2005-04-01	41.4931009959449
2005-07-01	43.5872226781081
2005-10-01	40.7419757800020
2006-01-01	40.9099282732920
2006-04-01	38.4259220252646
2006-07-01	40.3939843092731
2006-10-01	43.8941936827679
2007-01-01	44.8572407882767
2007-04-01	41.1925967955482
2007-07-01	42.6424200587493
2007-10-01	42.7833575453732
2008-01-01	43.1798930136339
2008-04-01	41.4019669594027
2008-07-01	43.0772651424181
2008-10-01	43.7160360843254
2009-01-01	42.4951257083877
2009-04-01	41.7704276116799
2009-07-01	43.3024025213007
2009-10-01	43.9872110859753
2010-01-01	44.5360666474581
2010-04-01	46.2153929390426
2010-07-01	44.8900161517621
2010-10-01	46.6487478079029
2011-01-01	44.1666935572784
2011-04-01	47.0773430584871
2011-07-01	45.7198540478872
2011-10-01	46.9078912647981
2012-01-01	46.0620210345281
2012-04-01	46.6087374426672
2012-07-01	45.9789237779118
2012-10-01	45.2496104389370
2013-01-01	46.7715195679483
2013-04-01	48.8733770223563
2013-07-01	48.0234910401451
2013-10-01	47.2433159860534
2014-01-01	47.4999797367058
2014-04-01	49.9856572748088
2014-07-01	46.9630289598101
2014-10-01	49.3426866289353
2015-01-01	48.1775291246506
2015-04-01	48.1521204940768
2015-07-01	50.3193480656252
2015-10-01	48.8434615010479
2016-01-01	49.3131268697125
2016-04-01	51.7695154762894
2016-07-01	51.1804742726245
2016-10-01	50.6787875767719
2017-01-01	52.9804890380006
2017-04-01	53.0575165650160
2017-07-01	53.0022290784583
2017-10-01	56.3302970691954
2018-01-01	56.1929137010781
2018-04-01	54.7805708295554