Quarter	Units, Seasonally Adjusted
1960-01-01	6149.3534367088600
1960-04-01	6426.2291610101390
1960-07-01	6112.5242802637895
1960-10-01	7357.2413981182000
1961-01-01	6991.0385721909000
1961-04-01	5990.9604465731800
1961-07-01	6844.3876218811900
1961-10-01	6947.5604466215400
1962-01-01	7312.9366871481300
1962-04-01	6804.2735200209200
1962-07-01	7365.4583570578900
1962-10-01	7295.8061236799200
1963-01-01	6554.6534458314800
1963-04-01	7897.1098288020390
1963-07-01	7523.8664022326190
1963-10-01	7718.5404447704300
1964-01-01	7844.1321373403100
1964-04-01	7763.8648647958200
1964-07-01	7993.5222380892100
1964-10-01	8401.7708125195190
1965-01-01	8186.9191653482390
1965-04-01	9326.4242088957800
1965-07-01	9469.9398759508400
1965-10-01	9922.2811476333900
1966-01-01	9873.9338711101810
1966-04-01	9978.9030275369300
1966-07-01	10314.4711507490000
1966-10-01	10180.9834679141990
1967-01-01	10858.6250574948990
1967-04-01	9916.0205936848090
1967-07-01	9019.0875669647410
1967-10-01	11410.7052912138000
1968-01-01	11667.9473405559980
1968-04-01	11057.5812124640000
1968-07-01	19074.4240129358000
1968-10-01	2921.1877993469800
1969-01-01	5189.5703618119810
1969-04-01	8417.6967348139600
1969-07-01	9406.6662781091800
1969-10-01	10429.5148134544000
1970-01-01	10023.8604288180010
1970-04-01	11523.4607622869000
1970-07-01	12007.8502596993000
1970-10-01	7558.2484683132000
1971-01-01	20744.4499023113000
1971-04-01	15455.8984761008000
1971-07-01	15200.9529226537000
1971-10-01	15311.7148676288000
1972-01-01	16731.8858890975030
1972-04-01	16771.6241021377000
1972-07-01	15829.5444080966000
1972-10-01	27235.3430210687000
1973-01-01	15145.3869795114000
1973-04-01	15170.2108669091000
1973-07-01	15851.2540046849990
1973-10-01	16270.2152468317000
1974-01-01	14949.1179830438000
1974-04-01	13940.1029584663000
1974-07-01	14039.5488268767000
1974-10-01	12335.0760966765010
1975-01-01	16290.8538990939000
1975-04-01	14827.2708563879990
1975-07-01	15277.1941342685000
1975-10-01	15639.3334076654010
1976-01-01	18618.0526954845000
1976-04-01	17641.1221709258020
1976-07-01	18212.7556479912020
1976-10-01	22028.6635956909000
1977-01-01	20305.8541625404000
1977-04-01	19124.6972108853000
1977-07-01	22708.4271926988000
1977-10-01	42194.8638711195000
1978-01-01	9180.2394001620100
1978-04-01	13191.2298221170000
1978-07-01	15019.1492653398000
1978-10-01	16077.1837852936990
1979-01-01	17831.9017516555000
1979-04-01	17810.7918779614000
1979-07-01	17384.9372996721980
1979-10-01	19003.7484295722020
1980-01-01	20481.7426733108000
1980-04-01	18584.2316165299000
1980-07-01	18772.4779225390000
1980-10-01	18196.3014162061000
1981-01-01	17839.0240420425980
1981-04-01	17333.7759889423000
1981-07-01	15549.0239506289000
1981-10-01	14911.0249597154000
1982-01-01	16238.2779703285000
1982-04-01	17082.5274411651000
1982-07-01	16723.0620713758000
1982-10-01	17210.2546612579970
1983-01-01	19524.1003519458030
1983-04-01	21113.8101742130020
1983-07-01	20992.6717751807000
1983-10-01	25162.5061834595000
1984-01-01	19856.1843808363000
1984-04-01	17621.8605448582020
1984-07-01	16143.1484877046000
1984-10-01	18420.1588621004000
1985-01-01	19602.0877476799000
1985-04-01	20507.5858880820000
1985-07-01	21692.0579202791000
1985-10-01	17863.8040475938000
1986-01-01	19003.5335270924000
1986-04-01	22043.7495769215000
1986-07-01	23262.9697325547020
1986-10-01	24557.7196624460000
1987-01-01	18689.3773792090000
1987-04-01	19195.8792891736000
1987-07-01	23762.7478479513000
1987-10-01	18693.7652360021020
1988-01-01	19244.3176511593000
1988-04-01	21507.7567861836980
1988-07-01	20944.0502910085000
1988-10-01	23734.6336937600970
1989-01-01	23136.6845341850020
1989-04-01	22704.2931881236000
1989-07-01	21404.5270731097000
1989-10-01	25964.5517497626970
1990-01-01	24640.3669320181000
1990-04-01	23532.0950793909000
1990-07-01	23763.8037050553980
1990-10-01	24684.6548495547000
1991-01-01	24916.1611161443000
1991-04-01	25209.0968001850000
1991-07-01	24147.3688196755970
1991-10-01	28533.5718209500000
1992-01-01	26494.6882607728000
1992-04-01	27416.0029613228980
1992-07-01	25575.1962752937000
1992-10-01	26410.8600042012000
1993-01-01	25329.4195390639980
1993-04-01	24855.3347272151000
1993-07-01	22826.8554928859000
1993-10-01	20173.9299249951000
1994-01-01	23580.5105438294000
1994-04-01	22406.4360251907020
1994-07-01	23416.1404400839020
1994-10-01	21204.2061458990000
1995-01-01	23026.1749574678000
1995-04-01	23658.6939862290020
1995-07-01	22707.5683398099000
1995-10-01	24104.5132107104000
1996-01-01	24742.2133304734000
1996-04-01	29464.0227122533000
1996-07-01	22459.4267109365030
1996-10-01	24164.8900010315000
1997-01-01	22625.7295165980980
1997-04-01	22704.4063135501000
1997-07-01	23722.3656822941000
1997-10-01	22258.1925301056000
1998-01-01	23934.9369230663000
1998-04-01	22979.5494853602000
1998-07-01	25829.8664134641000
1998-10-01	26864.0316755394000
1999-01-01	24719.6988729615000
1999-04-01	26644.9576090496000
1999-07-01	27475.5045166352030
1999-10-01	25088.2630272963980
2000-01-01	26045.4628138500000
2000-04-01	25906.3153026933000
2000-07-01	25732.1473464729000
2000-10-01	25204.6184550107970
2001-01-01	25120.3996596011020
2001-04-01	24891.1359454860980
2001-07-01	23934.1783711572000
2001-10-01	22719.0875515295000
2002-01-01	23230.2075291230980
2002-04-01	22881.0139893417000
2002-07-01	23307.4748463622000
2002-10-01	23383.2152262836000
2003-01-01	24290.6371576985000
2003-04-01	24250.4108095093000
2003-07-01	25511.4434390485000
2003-10-01	26075.9893831903000
2004-01-01	24683.1830125480000
2004-04-01	25981.4504143643000
2004-07-01	25977.7441818898000
2004-10-01	27009.3054305870000
2005-01-01	24613.6136163345000
2005-04-01	26484.4767296900030
2005-07-01	25859.7912390967000
2005-10-01	25070.7759268990000
2006-01-01	25932.6655745930000
2006-04-01	24989.0014598872000
2006-07-01	25918.9050964365000
2006-10-01	25780.5053966086000
2007-01-01	25458.5573791677000
2007-04-01	24421.3633081595000
2007-07-01	23906.3209240044000
2007-10-01	25685.3272071596000
2008-01-01	25251.9019094634000
2008-04-01	26074.6262623008000
2008-07-01	22526.2516709747000
2008-10-01	23254.3386122823000
2009-01-01	21980.8043791382000
2009-04-01	28241.3088286729000
2009-07-01	28680.2789328955000
2009-10-01	27104.6683087949000
2010-01-01	25699.0173388305000
2010-04-01	26344.4128028682000
2010-07-01	28652.4300564677000
2010-10-01	28910.1424236591000
2011-01-01	29967.6654263405980
2011-04-01	28457.4570276991980
2011-07-01	29857.7599677668000
2011-10-01	31088.6357390173980
2012-01-01	29835.7084459603000
2012-04-01	28286.6939673471020
2012-07-01	27635.3634898520000
2012-10-01	25815.0328601294000
2013-01-01	27041.9301113283000
2013-04-01	26421.2941509821000
2013-07-01	26469.8578708908970
2013-10-01	26670.2259456736000
2014-01-01	27663.2386521292000
2014-04-01	24759.1820292956000
2014-07-01	24404.0189668846000
2014-10-01	24588.3908027554000
2015-01-01	24994.4622848456000
2015-04-01	25089.6787650598000
2015-07-01	26144.9119339855020
2015-10-01	26885.3610763732000
2016-01-01	26078.8939516287000
2016-04-01	27073.6203991110000
2016-07-01	27905.1312421325020
2016-10-01	29104.4496328418970
2017-01-01	29303.0147205225000
2017-04-01	28521.1163311028000
2017-07-01	29077.2444999050000
2017-10-01	31181.8013929063000
2018-01-01	30182.6529537645000
2018-04-01	29727.2731926776000
2018-07-01	29488.6450281274000