Quarter	Percent, Seasonally Adjusted
1998-04-01	3.25508172431356
1999-04-01	2.82878872194398
2000-04-01	2.35206963607741
2001-04-01	1.75057736720554
2002-04-01	2.85530664708043
2003-04-01	3.90379447000410
2004-04-01	4.03778898124177
2005-04-01	3.96735434141918
2006-04-01	3.47253338112734
2007-04-01	2.99491262994913
2008-04-01	2.88865546218487
2009-04-01	3.87355875113357
2010-01-01	4.94591866053311
2010-04-01	4.76106388060972
2010-07-01	4.39254286797587
2010-10-01	4.30168097951268
2011-01-01	4.11433974857903
2011-04-01	4.27994419534978
2011-07-01	4.00353516485012
2011-10-01	4.39892850797958
2012-01-01	4.08389509367105
2012-04-01	4.09302832473816
2012-07-01	4.54095677391995
2012-10-01	4.88967712422223
2013-01-01	4.70077776268432
2013-04-01	4.76531407383919
2013-07-01	4.80774703964457
2013-10-01	4.71203969693492
2014-01-01	5.00264627844297
2014-04-01	5.14715632954127
2014-07-01	4.89927577716983
2014-10-01	4.34716152403202
2015-01-01	4.53285073979999
2015-04-01	4.79707194901884
2015-07-01	4.95550496036131
2015-10-01	5.07100923448662
2016-01-01	5.09657355052200
2016-04-01	5.11774885107501
2016-07-01	5.08150856444346
2016-10-01	4.86904865687123
2017-01-01	4.99014213875735
2017-04-01	4.55812027529131
2017-07-01	4.74783758639998
2017-10-01	4.71635054911113
2018-01-01	4.71010354045983
2018-04-01	4.64324835729228