Quarter	Units, Seasonally Adjusted
2003-01-01	4982.34118871485
2003-04-01	4677.92712044387
2003-07-01	4824.52445357374
2003-10-01	5446.55972410532
2004-01-01	4443.77623576165
2004-04-01	4914.38058866578
2004-07-01	4645.11491402359
2004-10-01	4962.16690574525
2005-01-01	4535.60504993527
2005-04-01	4996.10874572748
2005-07-01	4919.60587884981
2005-10-01	4650.84627817985
2006-01-01	4806.59583316891
2006-04-01	5140.54641954713
2006-07-01	4806.62878065025
2006-10-01	4969.94345631999
2007-01-01	4959.44871529920
2007-04-01	4910.35209729003
2007-07-01	5015.86550284215
2007-10-01	5048.33065704573
2008-01-01	5838.75483779146
2008-04-01	5910.46026859975
2008-07-01	5944.08023617554
2008-10-01	5560.45950552510
2009-01-01	4625.97750864170
2009-04-01	8752.47549683280
2009-07-01	7191.37283463106
2009-10-01	3873.80997268284
2010-01-01	4296.18112235936
2010-04-01	4877.49220094307
2010-07-01	5603.20137479080
2010-10-01	6366.36620995161
2011-01-01	5769.98826449604
2011-04-01	5708.11729907212
2011-07-01	5501.76038193090
2011-10-01	5837.63244432624
2012-01-01	5995.37350245803
2012-04-01	5477.80779457726
2012-07-01	6998.48368140773
2012-10-01	4895.40390801332
2013-01-01	5287.53608805198
2013-04-01	5428.62463543106
2013-07-01	5244.70226188347
2013-10-01	5984.39394562664
2014-01-01	6164.55851558313
2014-04-01	5919.60757665090
2014-07-01	6023.01053422434
2014-10-01	6010.00461157316
2015-01-01	5971.94353427944
2015-04-01	6362.04589854900
2015-07-01	6968.07769929900
2015-10-01	6642.96226966020
2016-01-01	7079.98957471234
2016-04-01	7379.45204804132
2016-07-01	7328.49213860753
2016-10-01	7583.39405676124
2017-01-01	8032.28432676661
2017-04-01	7970.82942317610
2017-07-01	7994.83653630404
2017-10-01	8015.13975343163
2018-01-01	8716.06345254956
2018-04-01	8445.83872718743
2018-07-01	8375.75660825304