Quarter	Units, Seasonally Adjusted
1962-01-01	512.9780077486500
1962-04-01	526.0605337713010
1962-07-01	483.9249686925650
1962-10-01	513.3792507185240
1963-01-01	450.7218353729870
1963-04-01	527.4126418106370
1963-07-01	596.3968940441950
1963-10-01	624.3131798588680
1964-01-01	624.2323188271980
1964-04-01	743.0972252718400
1964-07-01	617.3368344968020
1964-10-01	727.5216256748400
1965-01-01	632.7893475773500
1965-04-01	632.9699750628030
1965-07-01	687.6498949317240
1965-10-01	671.5326293743330
1966-01-01	732.6812490264820
1966-04-01	648.1623114172639
1966-07-01	679.2004446711200
1966-10-01	583.8553850523610
1967-01-01	635.3425534388840
1967-04-01	568.3702719768600
1967-07-01	567.7880844203870
1967-10-01	660.3305487592071
1968-01-01	679.1946188433759
1968-04-01	672.5018517953421
1968-07-01	717.5152505090190
1968-10-01	759.6891326452810
1969-01-01	742.8629571004310
1969-04-01	771.6146722785070
1969-07-01	826.5290806789990
1969-10-01	924.1367519952221
1970-01-01	756.9239741572180
1970-04-01	906.4609677221480
1970-07-01	945.2108828990770
1970-10-01	1077.3468941996800
1971-01-01	969.8635281212460
1971-04-01	1089.3453192812399
1971-07-01	1044.9864834362602
1971-10-01	1021.0414328935800
1972-01-01	1140.1659050198500
1972-04-01	1084.6892909493500
1972-07-01	1153.5594154518300
1972-10-01	1196.1338306006598
1973-01-01	1201.4647089687300
1973-04-01	1257.7893926446500
1973-07-01	1266.8252001509900
1973-10-01	1116.3510804388500
1974-01-01	1275.6674898700699
1974-04-01	1155.0635431306000
1974-07-01	1368.5912681100501
1974-10-01	1365.2195662322400
1975-01-01	1414.9981343970900
1975-04-01	1267.2899164077200
1975-07-01	1323.7113294977600
1975-10-01	1390.0909997113800
1976-01-01	1442.2560573210399
1976-04-01	1449.7292609513902
1976-07-01	1472.8565131260100
1976-10-01	1670.4451466667501
1977-01-01	1668.5968848732900
1977-04-01	1584.5607709069600
1977-07-01	1525.9242677384200
1977-10-01	1548.6908371737100
1978-01-01	1666.6595332453200
1978-04-01	1665.9105662676600
1978-07-01	1764.0671985822500
1978-10-01	1750.3936545785400
1979-01-01	1643.0557522640100
1979-04-01	1713.2413305863100
1979-07-01	1721.7205180515100
1979-10-01	1729.6580611476600
1980-01-01	1782.5686953741001
1980-04-01	1711.1006318109000
1980-07-01	1684.9154086841002
1980-10-01	1644.6635275489300
1981-01-01	1860.0675540764300
1981-04-01	1814.7121089282500
1981-07-01	1966.6437055156600
1981-10-01	2092.7989879700300
1982-01-01	2117.0681109859100
1982-04-01	2099.7107863671400
1982-07-01	2105.5064100586296
1982-10-01	2184.8181967733500
1983-01-01	2083.8329887256200
1983-04-01	2315.2686992846800
1983-07-01	2236.9569186022000
1983-10-01	2213.7860134165700
1984-01-01	2346.8731614905200
1984-04-01	2269.9848901214500
1984-07-01	2410.9612084047700
1984-10-01	2475.9239781766600
1985-01-01	2491.6598460312202
1985-04-01	2323.7095599814397
1985-07-01	2397.6392320011600
1985-10-01	2576.2821391457396
1986-01-01	2542.3229509587300
1986-04-01	2859.9958702669300
1986-07-01	2792.1315377331900
1986-10-01	2869.5904195013200
1987-01-01	2491.8386480046200
1987-04-01	2884.3508775239297
1987-07-01	2784.7062388336900
1987-10-01	2606.0952429364600
1988-01-01	2655.7119947642200
1988-04-01	2804.9389156100400
1988-07-01	2889.7153110566796
1988-10-01	2909.8812904319900
1989-01-01	3056.9060340077900
1989-04-01	2547.0512506593600
1989-07-01	2910.6033543944000
1989-10-01	2959.7978361739597
1990-01-01	2907.8823468795300
1990-04-01	3100.6043152204497
1990-07-01	3203.8072471193200
1990-10-01	3874.1340416766097
1991-01-01	3480.0417144311500
1991-04-01	3640.2374230326600
1991-07-01	3522.8685406796003
1991-10-01	3929.1360922249996
1992-01-01	3297.8238788969397
1992-04-01	3293.8666404560500
1992-07-01	2758.5518506490600
1992-10-01	2826.4986620220800
1993-01-01	2757.3361490568900
1993-04-01	2068.3296474613200
1993-07-01	2585.8724534357100
1993-10-01	2530.4187824448300
1994-01-01	2436.6200488940400
1994-04-01	2514.7113310432000
1994-07-01	2331.0201076251296
1994-10-01	2412.6779584031400
1995-01-01	2400.2548347306400
1995-04-01	2206.1958663095897
1995-07-01	2372.9839240803500
1995-10-01	2421.2259439916497
1996-01-01	2355.6744685790600
1996-04-01	2607.7594814086500
1996-07-01	2522.0708786104700
1996-10-01	2363.0227992882700
1997-01-01	2605.1306168243900
1997-04-01	2585.8621156625700
1997-07-01	2609.3382729321600
1997-10-01	2708.0509738834403
1998-01-01	2804.9094608680900
1998-04-01	2977.8466894408703
1998-07-01	3045.2177847063400
1998-10-01	3271.0669911216400
1999-01-01	3500.1228854719500
1999-04-01	3187.4700465956003
1999-07-01	3459.2197566906000
1999-10-01	3411.9127539110000
2000-01-01	3417.6761486856200
2000-04-01	3623.1491807618100
2000-07-01	3460.7120773943800
2000-10-01	3474.5318110104400
2001-01-01	3553.7844147717700
2001-04-01	3441.4113911793600
2001-07-01	3736.1614760143800
2001-10-01	3634.0290559140300
2002-01-01	3705.7859670640100
2002-04-01	3650.4361768254603
2002-07-01	3525.3941070618100
2002-10-01	3438.3899565198203
2003-01-01	3640.1363561025800
2003-04-01	3501.0612324069198
2003-07-01	3699.0649246632200
2003-10-01	3689.2765553583804
2004-01-01	3834.7534715452502
2004-04-01	4032.0401391502896
2004-07-01	3928.0663299987000
2004-10-01	4165.4207386037600
2005-01-01	4215.9569778139590
2005-04-01	3898.4575993668404
2005-07-01	4111.4233932258390
2005-10-01	3988.3556146420500
2006-01-01	4151.7533566482400
2006-04-01	4507.2716107722200
2006-07-01	4079.2555344264300
2006-10-01	4185.5486850872500
2007-01-01	4282.3498840607600
2007-04-01	4058.9650414417406
2007-07-01	4263.5591109613410
2007-10-01	4572.8163027903400
2008-01-01	4112.5503522870000
2008-04-01	4440.5782963337900
2008-07-01	4571.2666181932300
2008-10-01	4247.0749823621200
2009-01-01	3769.5318182956000
2009-04-01	3851.0053933736600
2009-07-01	4016.3838989340998
2009-10-01	4147.7464539530990
2010-01-01	4174.8817577149390
2010-04-01	4383.0460816126110
2010-07-01	3954.5541630114600
2010-10-01	3870.0281747955500
2011-01-01	4188.1429798478500
2011-04-01	4102.8133517366600
2011-07-01	4294.3467920609900
2011-10-01	4083.9897355120397
2012-01-01	4204.1552444822300
2012-04-01	4124.2478996427100
2012-07-01	4127.2769967230700
2012-10-01	4400.9989982835800
2013-01-01	3916.4009488564100
2013-04-01	3857.6644800540900
2013-07-01	3709.1505973037000
2013-10-01	3991.2026714265800
2014-01-01	3956.7673668890800
2014-04-01	4088.7281275318605
2014-07-01	4202.4717308788995
2014-10-01	4463.4964141838800
2015-01-01	3825.6441023684500
2015-04-01	3812.5251590578400
2015-07-01	3891.5670916917800
2015-10-01	3898.7918783775604
2016-01-01	4157.8095116305090
2016-04-01	4249.4460867018500
2016-07-01	4198.6928839304200
2016-10-01	4293.1063329264710
2017-01-01	4321.7508511220990
2017-04-01	4315.3876122728210
2017-07-01	4556.7867820552800
2017-10-01	4511.2177722378100
2018-01-01	4636.0689630508500
2018-04-01	4532.3171513630000
2018-07-01	4447.6635749118100