Quarter	US Dollars, Monthly Level, Seasonally Adjusted
1966-01-01	-708255311.75863000
1966-04-01	-546106396.89076400
1966-07-01	-560027617.12057600
1966-10-01	-523957710.57902100
1967-01-01	-545850651.83327100
1967-04-01	-572316502.48222500
1967-07-01	-526159400.51907396
1967-10-01	-435049121.61111295
1968-01-01	-478447787.85700500
1968-04-01	-468394318.91916300
1968-07-01	-478121314.80046200
1968-10-01	-506331563.56658804
1969-01-01	-477293436.87266004
1969-04-01	-564131478.05099800
1969-07-01	-624483952.24426810
1969-10-01	-667458614.76010110
1970-01-01	-638319505.56580700
1970-04-01	-586838364.73017610
1970-07-01	-545971287.68188100
1970-10-01	-577024535.93220810
1971-01-01	-507936666.71430004
1971-04-01	-470473097.34041100
1971-07-01	-523793081.51527005
1971-10-01	-539893052.60534610
1972-01-01	-685190921.09271900
1972-04-01	-759353383.08581100
1972-07-01	-730123222.62935900
1972-10-01	-836054314.96948600
1973-01-01	-920747552.62239600
1973-04-01	-1051833442.34706010
1973-07-01	-1054964667.49105000
1973-10-01	-1412848450.79325990
1974-01-01	-1704136413.15374000
1974-04-01	-2303518681.39103030
1974-07-01	-2229376581.81818000
1974-10-01	-2110452413.52641000
1975-01-01	-2255071613.59950000
1975-04-01	-2434831934.42459000
1975-07-01	-1995252024.44269000
1975-10-01	-1953528136.42543000
1976-01-01	-1936604753.88586000
1976-04-01	-2365773037.91870980
1976-07-01	-2070819604.04807000
1976-10-01	-2367290245.44623000
1977-01-01	-1760768294.11235000
1977-04-01	-2255284530.86421000
1977-07-01	-1843190838.96162000
1977-10-01	-1741075544.05054020
1978-01-01	-1510419380.42450000
1978-04-01	-1356854404.90482000
1978-07-01	-1267410422.01186010
1978-10-01	-1474486118.37226990
1979-01-01	-1248148550.20601990
1979-04-01	-1196407424.19734000
1979-07-01	-2041832860.17558000
1979-10-01	-2759698273.69623000
1980-01-01	-3179146943.37223000
1980-04-01	-3421407694.91016000
1980-07-01	-3636308636.30355000
1980-10-01	-3192362160.51155000
1981-01-01	-3403438840.55649000
1981-04-01	-3416874009.49306000
1981-07-01	-2118953316.92001000
1981-10-01	-3138865070.01638000
1982-01-01	-2609418399.26957000
1982-04-01	-3316896141.65262030
1982-07-01	-2420627150.70776030
1982-10-01	-2808551251.45098000
1983-01-01	-3069667383.48240000
1983-04-01	-2605348368.08273000
1983-07-01	-1734568963.93093010
1983-10-01	-2144346038.62330990
1984-01-01	-1203154159.95539020
1984-04-01	-979849839.65355100
1984-07-01	-1401344267.98458000
1984-10-01	-1533697266.23067000
1985-01-01	-1392366150.42750000
1985-04-01	-1932878832.49171020
1985-07-01	-1094265435.46194000
1985-10-01	-1385219046.23475000
1986-01-01	-1326124510.68311000
1986-04-01	-1969367454.37884000
1986-07-01	-2205637928.81105000
1986-10-01	-2487454693.04809000
1987-01-01	-2900722508.51947000
1987-04-01	-3312693644.43019000
1987-07-01	-3885149112.85862000
1987-10-01	-4457534522.40924000
1988-01-01	-4221787940.78476050
1988-04-01	-4927183885.67154000
1988-07-01	-4876436816.07714000
1988-10-01	-5724898314.50826000
1989-01-01	-6266640574.02107050
1989-04-01	-6560179080.79121000
1989-07-01	-7076933905.86776900
1989-10-01	-6957332635.47590100
1990-01-01	-7993207911.84828000
1990-04-01	-7768995875.78506000
1990-07-01	-7123773357.01850000
1990-10-01	-8524416156.47380000
1991-01-01	-8522818522.68300000
1991-04-01	-7717009883.76373000
1991-07-01	-8086959622.14855000
1991-10-01	-8514731898.93040000
1992-01-01	-9612552440.39601000
1992-04-01	-8859199010.28768000
1992-07-01	-9960897770.59660100
1992-10-01	-7340412226.22468000
1993-01-01	-5580533303.11708000
1993-04-01	-4784541273.31535000
1993-07-01	-4300277576.93018100
1993-10-01	-5028691971.03335000
1994-01-01	-3713316065.11694000
1994-04-01	-4878087475.66045000
1994-07-01	-5377855799.17050000
1994-10-01	-5903995230.08579000
1995-01-01	-3079939075.55247000
1995-04-01	-4629253501.49806000
1995-07-01	-4679231322.44323000
1995-10-01	-3911944546.30643000
1996-01-01	-3596545199.50368000
1996-04-01	-3919539526.61565970
1996-07-01	-3437374530.60812000
1996-10-01	-3389049469.06984000
1997-01-01	-3219486496.70693970
1997-04-01	-3707538510.73926000
1997-07-01	-3781463617.03356000
1997-10-01	-3931289772.33004000
1998-01-01	-4797657540.30685000
1998-04-01	-5177192967.01738000
1998-07-01	-6294535231.40422000
1998-10-01	-8232818555.73089000
1999-01-01	-6552058693.59979000
1999-04-01	-7301509887.49845000
1999-07-01	-8197960845.10582000
1999-10-01	-8896227075.73182100
2000-01-01	-10303485959.00420000
2000-04-01	-10365992642.43930000
2000-07-01	-10434742392.66420000
2000-10-01	-10201784908.53130000
2001-01-01	-9545086679.07588000
2001-04-01	-9751261451.70120000
2001-07-01	-9797858521.28011100
2001-10-01	-8777798282.49852000
2002-01-01	-8517505958.32146000
2002-04-01	-9304476098.22240000
2002-07-01	-9804716193.39946200
2002-10-01	-11942474387.52870000
2003-01-01	-11877894350.64300000
2003-04-01	-12643722352.74360000
2003-07-01	-13510810974.07620000
2003-10-01	-14535846073.41820100
2004-01-01	-16508103519.61250100
2004-04-01	-17627931141.66629800
2004-07-01	-19803092353.89080000
2004-10-01	-21624539240.26240000
2005-01-01	-23725595709.03880000
2005-04-01	-23814173526.80130000
2005-07-01	-24209531763.04700000
2005-10-01	-24641980418.60670000
2006-01-01	-26154723846.85320300
2006-04-01	-28847271430.45580000
2006-07-01	-29156872239.09250000
2006-10-01	-31666756299.86459700
2007-01-01	-30628440256.53490000
2007-04-01	-33165297340.88660400
2007-07-01	-35030040934.43550000
2007-10-01	-37637158725.80510000
2008-01-01	-40962339961.97190000
2008-04-01	-40989653982.18730000
2008-07-01	-33010802988.35059700
2008-10-01	-24285812448.66670000
2009-01-01	-16717959939.20499800
2009-04-01	-13260205540.92910000
2009-07-01	-16957673403.54160100
2009-10-01	-18851031287.83109700
2010-01-01	-18827967936.10939800
2010-04-01	-18767403866.51740300
2010-07-01	-16475833170.15860200
2010-10-01	-18627729573.13260300
2011-01-01	-18368537754.22410000
2011-04-01	-17291716252.84280000
2011-07-01	-17471079972.32590000
2011-10-01	-16848736515.78730200
2012-01-01	-14649377552.92240100
2012-04-01	-11754304865.50780000
2012-07-01	-9084410340.22237000
2012-10-01	-6008571024.13101000
2013-01-01	-3978144560.06894970
2013-04-01	-4936978466.02324000
2013-07-01	-5704417223.09198000
2013-10-01	-7450600254.36310000
2014-01-01	-8567496275.63248100
2014-04-01	-9060311299.25286000
2014-07-01	-8613372419.84706100
2014-10-01	-7486738055.02042000
2015-01-01	-7259829947.29232000
2015-04-01	-7437064985.97845100
2015-07-01	-7903946357.24786950
2015-10-01	-6438486467.20315000
2016-01-01	-5605894233.77806000
2016-04-01	-4898319308.15700100
2016-07-01	-4251584435.78642000
2016-10-01	-6374221184.74515100
2017-01-01	-7334016401.76242900
2017-04-01	-6815097804.33422000
2017-07-01	-8650710508.04743000
2017-10-01	-8644862921.19627000
2018-01-01	-9388747886.20098000
2018-04-01	-10978882030.40800000