Quarter	Units, Seasonally Adjusted
1994-01-01	9241.32316818618
1994-04-01	8965.14688116032
1994-07-01	8892.44174569708
1994-10-01	9046.50930038621
1995-01-01	11008.14545867720
1995-04-01	11567.37303913910
1995-07-01	12831.89832777870
1995-10-01	13342.44114746200
1996-01-01	12944.93106721350
1996-04-01	13607.48946975400
1996-07-01	12971.56322848470
1996-10-01	14249.52168911830
1997-01-01	13314.33988572270
1997-04-01	13921.04300761700
1997-07-01	14981.91097970240
1997-10-01	16065.28658142860
1998-01-01	13421.10404905640
1998-04-01	13021.82480832910
1998-07-01	12062.08119600170
1998-10-01	8730.94314823754
1999-01-01	8652.92696484775
1999-04-01	7627.74299070564
1999-07-01	8438.11482281978
1999-10-01	10063.58396657780
2000-01-01	9348.70632790559
2000-04-01	9568.59429186469
2000-07-01	9006.57059247068
2000-10-01	8430.08351719665
2001-01-01	8849.83265231435
2001-04-01	8853.60323410276
2001-07-01	7592.09416156530
2001-10-01	7586.46568849602
2002-01-01	7863.11482382754
2002-04-01	8285.92811699083
2002-07-01	8527.16445220751
2002-10-01	9437.74696984898
2003-01-01	9172.86107379297
2003-04-01	9279.90007152006
2003-07-01	10606.04886532070
2003-10-01	10690.94436490070
2004-01-01	11432.11488403670
2004-04-01	12138.08218647850
2004-07-01	12081.88099554380
2004-10-01	13617.18093894850
2005-01-01	14764.09636248930
2005-04-01	14639.32499082310
2005-07-01	16040.56535638230
2005-10-01	15256.07622770060
2006-01-01	16316.28800957430
2006-04-01	15523.43719463150
2006-07-01	15811.31416436850
2006-10-01	15947.15864462900
2007-01-01	17395.85980194600
2007-04-01	18364.19545856800
2007-07-01	19081.05264401470
2007-10-01	20857.19003240390
2008-01-01	21882.98241037540
2008-04-01	22500.08802106100
2008-07-01	21007.72967185280
2008-10-01	14603.85130514550
2009-01-01	10567.73847299560
2009-04-01	12334.89631495690
2009-07-01	15285.96012637020
2009-10-01	18547.69611068750
2010-01-01	19674.90532677760
2010-04-01	23556.31309170720
2010-07-01	25263.29293769130
2010-10-01	27665.75568170520
2011-01-01	28819.27569423990
2011-04-01	27854.90514093290
2011-07-01	27717.18914210090
2011-10-01	27015.31059906370
2012-01-01	27012.45709997980
2012-04-01	27217.61151737350
2012-07-01	28368.96878789660
2012-10-01	30022.37827917100
2013-01-01	31723.66211316490
2013-04-01	31784.32768214680
2013-07-01	30289.04817827810
2013-10-01	32264.21480165870
2014-01-01	30679.29888191430
2014-04-01	27074.82435125030
2014-07-01	28908.78519856260
2014-10-01	25873.72579556730
2015-01-01	22332.03128574910
2015-04-01	23452.74340862890
2015-07-01	24323.96832629030
2015-10-01	23611.26768288790
2016-01-01	24497.34381438380
2016-04-01	24618.65452118570
2016-07-01	25425.87140264890
2016-10-01	26735.12924358650
2017-01-01	28510.90407603480
2017-04-01	28773.21012379370
2017-07-01	31980.17036032340
2017-10-01	30958.19499646900
2018-01-01	34651.48940975160
2018-04-01	36584.01707021820