Quarter	US Dollars, Monthly Level, Seasonally Adjusted
1960-01-01	48740067.1958164050
1960-04-01	15680495.1993343010
1960-07-01	19275014.7317918000
1960-10-01	-32789575.8952057030
1961-01-01	-56646172.1268095000
1961-04-01	-52152542.9907927000
1961-07-01	-11393548.0306722990
1961-10-01	13490656.0252694000
1962-01-01	24896595.4081577000
1962-04-01	-3905227.7841583104
1962-07-01	5227239.7176437410
1962-10-01	17479571.1171315000
1963-01-01	-10114510.4431154000
1963-04-01	29832530.2199666000
1963-07-01	746374.1285687120
1963-10-01	-6626309.9289134500
1964-01-01	26330346.5188007020
1964-04-01	40970860.3148499950
1964-07-01	8878426.1494577400
1964-10-01	27270970.8892241000
1965-01-01	13468751.7994396000
1965-04-01	-8412980.4063565100
1965-07-01	-48034074.3556947000
1965-10-01	-4843209.2307326600
1966-01-01	-3512782.5479968004
1966-04-01	1823217.9851028800
1966-07-01	16790878.4300089000
1966-10-01	-39066774.6624484000
1967-01-01	-16483098.8473360020
1967-04-01	-32447707.2696153970
1967-07-01	16284196.0995540000
1967-10-01	57738941.5500007940
1968-01-01	20349154.3721549000
1968-04-01	52190798.5114953000
1968-07-01	20191236.1146269000
1968-10-01	27699312.5408444000
1969-01-01	59559068.4152077960
1969-04-01	44026586.7372183950
1969-07-01	52838281.6841739000
1969-10-01	64348055.0584678000
1970-01-01	52096967.5519126000
1970-04-01	-62173785.6025574000
1970-07-01	2272959.8274471103
1970-10-01	-8813118.1087901200
1971-01-01	-32718601.3331490980
1971-04-01	6282969.9177202100
1971-07-01	37969430.7733420950
1971-10-01	12434027.9488076000
1972-01-01	48366960.9263217000
1972-04-01	66284867.2914598000
1972-07-01	99576166.0313684000
1972-10-01	56693600.9948219000
1973-01-01	190213653.6077110200
1973-04-01	163009398.2336330000
1973-07-01	28475802.3728400000
1973-10-01	30275955.4044902000
1974-01-01	-70002875.3290360000
1974-04-01	-321534116.8184250000
1974-07-01	-389690495.3324300000
1974-10-01	-446483154.8429710000
1975-01-01	-430461221.8643600000
1975-04-01	-249763950.1531750300
1975-07-01	-139453162.2903580000
1975-10-01	-185924727.1132719800
1976-01-01	-266318277.2337909600
1976-04-01	-30414991.8676724020
1976-07-01	-87732978.2865793100
1976-10-01	-79331003.0165974000
1977-01-01	-54556773.8258700000
1977-04-01	-21517871.4827183000
1977-07-01	-58620310.4050345000
1977-10-01	-36361803.7189072000
1978-01-01	86981810.2706854000
1978-04-01	57159443.0460960000
1978-07-01	86139944.7665354900
1978-10-01	45553554.3300706000
1979-01-01	136642921.8423410000
1979-04-01	-34666999.1865454000
1979-07-01	46017497.7386523000
1979-10-01	34888579.7540757950
1980-01-01	-74464821.4672264000
1980-04-01	-5910873.8885168700
1980-07-01	34854480.3691768000
1980-10-01	4008523.7010434004
1981-01-01	99311537.5617785000
1981-04-01	-93562940.5488904000
1981-07-01	-12728846.1383978990
1981-10-01	-121602797.2451050000
1982-01-01	-84448279.1969318100
1982-04-01	-212271583.1442530200
1982-07-01	-58726787.9728712000
1982-10-01	172136700.0091540000
1983-01-01	23975302.1288574000
1983-04-01	77656414.0843282000
1983-07-01	50880270.8078153000
1983-10-01	-85438400.5971601900
1984-01-01	-156494742.9545650000
1984-04-01	-102422551.4294200000
1984-07-01	-273363657.6281660000
1984-10-01	-175387399.1750530000
1985-01-01	5609826.4949151300
1985-04-01	-131030987.1828329900
1985-07-01	-95573457.4663286000
1985-10-01	-8433112.7076533400
1986-01-01	-365077935.9978890400
1986-04-01	15995188.0837305990
1986-07-01	102289871.1811550000
1986-10-01	66807746.6455472000
1987-01-01	-20739798.5929886000
1987-04-01	19582320.4879807980
1987-07-01	39867768.6207377000
1987-10-01	-103970381.2450570000
1988-01-01	225315745.8615140000
1988-04-01	307132236.3975160000
1988-07-01	448505192.1166440000
1988-10-01	483619407.1312269600
1989-01-01	290024942.8252780400
1989-04-01	214804436.3694729800
1989-07-01	-49805156.4706586000
1989-10-01	-405527544.0294360500
1990-01-01	39103133.7634126000
1990-04-01	-10990255.7119190000
1990-07-01	12164719.7340116000
1990-10-01	-90854133.0385358000
1991-01-01	114626709.9536539900
1991-04-01	252856021.1487719700
1991-07-01	416334419.5764600000
1991-10-01	464236297.4641670000
1992-01-01	15232776.6365955000
1992-04-01	351203060.3689190000
1992-07-01	32559567.1890782970
1992-10-01	182093216.2464299800
1993-01-01	303582878.0654740300
1993-04-01	315090617.3765160000
1993-07-01	111205738.5458700000
1993-10-01	166635727.0415400000
1994-01-01	286883390.4863519700
1994-04-01	182469314.8947410000
1994-07-01	84240463.5469656000
1994-10-01	-261059768.5744620000
1995-01-01	160021792.1372780000
1995-04-01	-280085471.4242120000
1995-07-01	-60265273.2440546000
1995-10-01	-132890934.7042950000
1996-01-01	-174300090.5813120000
1996-04-01	-162362888.9692550000
1996-07-01	-131379781.7967879900
1996-10-01	60710079.0452887000
1997-01-01	-87166428.6054650000
1997-04-01	-2070760.9288927500
1997-07-01	-210912783.8151179900
1997-10-01	-30214580.0303309000
1998-01-01	-22556266.5430461000
1998-04-01	-122321228.6250450000
1998-07-01	-24855941.5982710000
1998-10-01	-283443831.1277979600
1999-01-01	-265205530.2523799800
1999-04-01	-358032818.9001030300
1999-07-01	-360122745.2558700000
1999-10-01	-798606743.4332000000
2000-01-01	-157716726.3822340000
2000-04-01	-268023540.3903660200
2000-07-01	-247463917.0959500000
2000-10-01	44177528.2152353000
2001-01-01	92865033.5335047000
2001-04-01	119175619.7168210000
2001-07-01	172976526.4380250000
2001-10-01	53583864.1678393000
2002-01-01	2124222.8153037400
2002-04-01	-16194714.4439009020
2002-07-01	-245833988.2985450000
2002-10-01	-372467565.6891560000
2003-01-01	-320059753.9303030000
2003-04-01	-547678048.8814011000
2003-07-01	-483332412.2025820000
2003-10-01	-590225215.5938110000
2004-01-01	-700488527.0612180000
2004-04-01	-529430402.2577179700
2004-07-01	-820186218.1191940000
2004-10-01	-757372499.5231900000
2005-01-01	-854497104.9217510000
2005-04-01	-1191953048.6099500000
2005-07-01	-1217786329.4938400000
2005-10-01	-1205492362.0192400000
2006-01-01	-1301355171.5317800000
2006-04-01	-855903356.8308940000
2006-07-01	-688779332.4798980000
2006-10-01	-1097021791.1310900000
2007-01-01	-1180997574.8721200000
2007-04-01	-1347280334.7280300000
2007-07-01	-818216829.6051340000
2007-10-01	-417706200.1360349700
2008-01-01	-793203980.0188589000
2008-04-01	-1499632217.2192700000
2008-07-01	-937453692.0403830000
2008-10-01	-597137627.5167581000
2009-01-01	-40910081.5686387000
2009-04-01	-176546923.4123419800
2009-07-01	-80852040.1957752000
2009-10-01	-144826811.5160800200
2010-01-01	236066464.7962620000
2010-04-01	303705268.4980690000
2010-07-01	311864096.7601800000
2010-10-01	-39423603.6719193000
2011-01-01	-148188311.0983080000
2011-04-01	527108908.2787080400
2011-07-01	171297499.0978010000
2011-10-01	62774090.7720979000
2012-01-01	-588928692.9585990000
2012-04-01	-179330412.1257920000
2012-07-01	58240257.6349152000
2012-10-01	-173668775.9685350000
2013-01-01	-140196414.8708470000
2013-04-01	-348996450.2557660000
2013-07-01	-409192915.6592810000
2013-10-01	743648321.0508110000
2014-01-01	774043593.8909240000
2014-04-01	-90382335.1641681000
2014-07-01	-866853690.5038270000
2014-10-01	-641443628.6318700000
2015-01-01	-261543025.7351020300
2015-04-01	-523847028.9840130000
2015-07-01	-722845829.9262110000
2015-10-01	-776963363.1284630000
2016-01-01	-258078051.6640700000
2016-04-01	-263910309.9725910000
2016-07-01	-979054887.1166150000
2016-10-01	-684971473.5176439000
2017-01-01	-713673909.3527740000
2017-04-01	-335520205.0146920000
2017-07-01	-363674039.4586850000
2017-10-01	-558436992.5457170000
2018-01-01	-1155686245.9837500000
2018-04-01	-993634532.6479900000
2018-07-01	-908376641.6185740000