Quarter	Percent, Seasonally Adjusted
1999-01-01	14.6359240883317
1999-04-01	14.1486104658231
1999-07-01	12.0150375950084
1999-10-01	12.6923636952577
2000-01-01	12.6601839865439
2000-04-01	13.6131908659058
2000-07-01	13.7491772168008
2000-10-01	15.0818339686180
2001-01-01	15.6998681504429
2001-04-01	13.6939383942528
2001-07-01	16.6425215567361
2001-10-01	17.1587027773719
2002-01-01	15.7925806285068
2002-04-01	14.3213175815609
2002-07-01	13.8980847467791
2002-10-01	12.8664575916520
2003-01-01	15.2931631926374
2003-04-01	13.8026604953855
2003-07-01	13.2177515642473
2003-10-01	16.3056087719016
2004-01-01	16.6973429214092
2004-04-01	18.6328213935474
2004-07-01	19.2045365993835
2004-10-01	16.6729369544364
2005-01-01	16.5735545816386
2005-04-01	19.0493865057278
2005-07-01	18.4830582104878
2005-10-01	19.8939972340368
2006-01-01	20.5907842635994
2006-04-01	20.7748874636106
2006-07-01	21.6540280168494
2006-10-01	20.7451196491227
2007-01-01	21.7476578552171
2007-04-01	22.6534455508121
2007-07-01	23.2540149073162
2007-10-01	21.0417375597406
2008-01-01	20.7963781606712
2008-04-01	20.2501118856440
2008-07-01	21.2476640116568
2008-10-01	22.0709583009130
2009-01-01	23.0418628272489
2009-04-01	24.2608285529254
2009-07-01	26.3618684726186
2009-10-01	25.5570508024284
2010-01-01	24.2312928718101
2010-04-01	25.0434419658691
2010-07-01	23.4614548469612
2010-10-01	25.1791454614397
2011-01-01	21.5071442569873
2011-04-01	21.3175515826045
2011-07-01	24.1641858554392
2011-10-01	24.0684577245248
2012-01-01	24.5553214497889
2012-04-01	24.6691111499765
2012-07-01	24.9280034108851
2012-10-01	26.0421506754572
2013-01-01	24.5604024246274
2013-04-01	25.2543933377121
2013-07-01	25.5008484796335
2013-10-01	25.6618356165592
2014-01-01	27.3680967680038
2014-04-01	29.3738933137892
2014-07-01	30.0177405800946
2014-10-01	29.3950626597375
2015-01-01	29.6183120005945
2015-04-01	30.7079386468183
2015-07-01	31.6338952469907
2015-10-01	30.1470089880958
2016-01-01	34.3474030037684
2016-04-01	32.6642183366541
2016-07-01	31.5351786716065
2016-10-01	34.9464204406670
2017-01-01	35.8843614354350
2017-04-01	36.8289734837443
2017-07-01	37.1821219400900
2017-10-01	39.9060687658751
2018-01-01	40.3102803251214
2018-04-01	42.0078077037478