Quarter	Percent, Seasonally Adjusted
1998-01-01	44.9911238193271
1998-04-01	44.6081663743691
1998-07-01	45.1522356129254
1998-10-01	44.8941641756740
1999-01-01	44.3531010295907
1999-04-01	44.1432476108607
1999-07-01	43.4529092556521
1999-10-01	43.3166580372106
2000-01-01	44.7330475042306
2000-04-01	45.5174547869391
2000-07-01	45.3674888677736
2000-10-01	46.4588016763913
2001-01-01	45.9481933071026
2001-04-01	45.3164714468983
2001-07-01	45.1747860400897
2001-10-01	43.6679189200903
2002-01-01	42.2314341538937
2002-04-01	41.7038549278457
2002-07-01	39.7808725109080
2002-10-01	39.2823746724776
2003-01-01	39.7488308969817
2003-04-01	40.5085063951307
2003-07-01	39.6832268783188
2003-10-01	40.4010239677305
2004-01-01	40.2765392994929
2004-04-01	40.2957322132714
2004-07-01	39.4925205200665
2004-10-01	39.3034835651941
2005-01-01	38.3748490141476
2005-04-01	38.0865326081688
2005-07-01	36.8986054562984
2005-10-01	38.0915092155197
2006-01-01	36.6086677858509
2006-04-01	37.3263197769875
2006-07-01	37.1533868448408
2006-10-01	37.9706042695397
2007-01-01	38.2566932726238
2007-04-01	38.2499633917363
2007-07-01	36.6936268726604
2007-10-01	37.0061836255034
2008-01-01	36.5366045582285
2008-04-01	35.7088979893619
2008-07-01	35.7276999790507
2008-10-01	35.4100005044955
2009-01-01	35.9680807985049
2009-04-01	36.3127319578665
2009-07-01	37.0771581252565
2009-10-01	38.0219819360417
2010-01-01	37.9025160681207
2010-04-01	37.7053558075310
2010-07-01	37.1724734383727
2010-10-01	37.3925968554996
2011-01-01	37.5704346244685
2011-04-01	36.1925271852077
2011-07-01	37.2789762278411
2011-10-01	38.5787589512561
2012-01-01	38.1518319824137
2012-04-01	36.3535731679989
2012-07-01	34.6712937261256
2012-10-01	34.7751570391725
2013-01-01	34.7747304862482
2013-04-01	33.9632043395822
2013-07-01	33.4563767960515
2013-10-01	33.4595909602470
2014-01-01	33.3214400354927
2014-04-01	32.7607816984868
2014-07-01	31.2746792074454
2014-10-01	30.9511549572557
2015-01-01	32.3742613133722
2015-04-01	31.5992551413682
2015-07-01	31.5997431463872
2015-10-01	31.3708965494900
2016-01-01	30.5074172012320
2016-04-01	29.3660423635066
2016-07-01	28.6105588211037
2016-10-01	27.7824788931696
2017-01-01	28.1662160504434
2017-04-01	26.7827686167482
2017-07-01	26.6224732513051
2017-10-01	25.8291199330099
2018-01-01	25.2191952118974
2018-04-01	24.5649590959864