Quarter	Percent, Seasonally Adjusted
2000-01-01	50.4927218438127
2000-04-01	49.2954476575061
2000-07-01	48.1009849510316
2000-10-01	47.4466534036350
2001-01-01	48.0967997289017
2001-04-01	48.6918210891214
2001-07-01	48.6910519968824
2001-10-01	47.1416032901130
2002-01-01	46.1994979603164
2002-04-01	43.9266684914361
2002-07-01	43.3876615614317
2002-10-01	43.3628308694793
2003-01-01	41.6539499503964
2003-04-01	41.8733106490544
2003-07-01	41.7844924604036
2003-10-01	41.7539225708453
2004-01-01	40.9253796310942
2004-04-01	41.3050233733438
2004-07-01	40.8656131681254
2004-10-01	40.3333606594868
2005-01-01	40.6405872060480
2005-04-01	40.3275444691285
2005-07-01	40.2099164449389
2005-10-01	40.6958357781353
2006-01-01	41.2510249769303
2006-04-01	39.7025537618959
2006-07-01	39.0992958394633
2006-10-01	38.3191336473102
2007-01-01	36.7392940118290
2007-04-01	36.0514428802213
2007-07-01	35.5505910152749
2007-10-01	35.6416542534425
2008-01-01	35.1136038837620
2008-04-01	34.6043642933523
2008-07-01	33.6877966260572
2008-10-01	33.0740546079950
2009-01-01	32.6204191141253
2009-04-01	32.5821999097780
2009-07-01	32.0529074621523
2009-10-01	32.3380162315562
2010-01-01	33.1093415667557
2010-04-01	32.5439048013780
2010-07-01	32.2897050280913
2010-10-01	32.6824557573776
2011-01-01	33.5717468648270
2011-04-01	32.9248972235433
2011-07-01	32.1335149913016
2011-10-01	31.2689288507574
2012-01-01	30.2390618949980
2012-04-01	29.4050651008107
2012-07-01	29.1268021364750
2012-10-01	28.6410543673066
2013-01-01	27.4968389106702
2013-04-01	26.3795245207716
2013-07-01	24.8168405298602
2013-10-01	24.3886690606087
2014-01-01	25.0875364427898
2014-04-01	24.7613845141588
2014-07-01	24.3754488285416
2014-10-01	23.8631850427413
2015-01-01	22.6704338016334
2015-04-01	22.3547882098862
2015-07-01	22.6023049477932
2015-10-01	21.8376507252373
2016-01-01	21.5374744637929
2016-04-01	21.9908101370458
2016-07-01	22.1379837504662
2016-10-01	21.3348971855754
2017-01-01	21.3232147051648
2017-04-01	20.9757050229167
2017-07-01	20.9898029015257
2017-10-01	20.8282679073842
2018-01-01	20.9529772978745
2018-04-01	20.4248596281949