Quarter	US Dollars, Monthly Level, Seasonally Adjusted
1971-01-01	-190665387.791034000
1971-04-01	-86148902.234412100
1971-07-01	-81075952.769516000
1971-10-01	-16642583.524088299
1972-01-01	-96042515.083016200
1972-04-01	-29075086.142493803
1972-07-01	-20041345.593534900
1972-10-01	-139335646.462567990
1973-01-01	99347361.973149400
1973-04-01	138146265.505819980
1973-07-01	185072591.781926000
1973-10-01	-452424277.603049000
1974-01-01	-1016073692.430580000
1974-04-01	-1522984160.664960000
1974-07-01	-1307503947.889490100
1974-10-01	-837831350.361090100
1975-01-01	-816876579.204103000
1975-04-01	-973645151.098791000
1975-07-01	-834449975.928851000
1975-10-01	-887634456.242268000
1976-01-01	-883780173.172196000
1976-04-01	-612402467.993922000
1976-07-01	-716328724.586143000
1976-10-01	-145977434.107092000
1977-01-01	87933802.079745000
1977-04-01	253367642.418811980
1977-07-01	-133622868.074884000
1977-10-01	-59890473.580652600
1978-01-01	-143095160.464607000
1978-04-01	-227232704.845251980
1978-07-01	-627650191.934242000
1978-10-01	-22085431.459659800
1979-01-01	-169398465.040417020
1979-04-01	-485176621.469232000
1979-07-01	-995245701.780247000
1979-10-01	-1068719686.241750100
1980-01-01	-1208584021.568750000
1980-04-01	-977396203.100896000
1980-07-01	-949594053.911753000
1980-10-01	206286579.294855000
1981-01-01	7968988.463554859
1981-04-01	-218292333.149380030
1981-07-01	332719501.817392000
1981-10-01	1137008320.552890000
1982-01-01	464835138.571244960
1982-04-01	-218303412.820094000
1982-07-01	46179172.706115200
1982-10-01	594042599.935807000
1983-01-01	1138526325.775750200
1983-04-01	1743272169.789950100
1983-07-01	1795658834.676720000
1983-10-01	1773641324.381470000
1984-01-01	2861667236.304400000
1984-04-01	3214875428.514680000
1984-07-01	3220689700.695180000
1984-10-01	3611188643.881310000
1985-01-01	2456233047.828990000
1985-04-01	3177711814.978450000
1985-07-01	3246440415.336859700
1985-10-01	3593195035.701880000
1986-01-01	3134762197.635060300
1986-04-01	3343287081.464180000
1986-07-01	2159361184.765290000
1986-10-01	-49555999.484473000
1987-01-01	995391052.904310000
1987-04-01	2430446276.567070000
1987-07-01	3888027219.835069700
1987-10-01	3545783286.063319700
1988-01-01	3748219019.791300000
1988-04-01	5010967675.762780000
1988-07-01	5365986471.545199000
1988-10-01	4851627657.308100000
1989-01-01	5046517105.792809500
1989-04-01	4273149811.509490000
1989-07-01	3653923707.170230400
1989-10-01	3358836621.311380000
1990-01-01	2512407402.208470300
1990-04-01	3522528452.372880000
1990-07-01	2843832005.587100000
1990-10-01	2027414858.632509700
1991-01-01	4230775290.292280000
1991-04-01	3185471746.206130000
1991-07-01	1530480125.687500000
1991-10-01	2006734038.018710100
1992-01-01	3660911479.003190000
1992-04-01	3354258866.355970000
1992-07-01	3802521855.325160000
1992-10-01	4356411764.456630000
1993-01-01	4809458381.508210000
1993-04-01	2663081545.505789800
1993-07-01	2603859048.780480000
1993-10-01	3575305425.391480000
1994-01-01	3540684268.441570000
1994-04-01	3382014910.019779700
1994-07-01	3662231161.025670000
1994-10-01	156464009.215615000
1995-01-01	-1892227804.209960000
1995-04-01	-2669284223.959030000
1995-07-01	86450549.412293390
1995-10-01	843736204.911624100
1996-01-01	-194243275.038754000
1996-04-01	-617156747.264670000
1996-07-01	-1623636665.833080000
1996-10-01	-3068457045.723779700
1997-01-01	-374860302.433676000
1997-04-01	-2112309495.821699900
1997-07-01	-1992976434.918330200
1997-10-01	-2012261015.283110000
1998-01-01	-1267314727.068270000
1998-04-01	-752438961.741480000
1998-07-01	-2043207377.942290000
1998-10-01	-2208517529.809130000
1999-01-01	-316603819.000607000
1999-04-01	-462661960.260302000
1999-07-01	-494766042.615047000
1999-10-01	140295519.479846000
2000-01-01	329433865.927652000
2000-04-01	142246639.848503000
2000-07-01	-611561715.313002000
2000-10-01	-1041212444.088660100
2001-01-01	245730220.071890000
2001-04-01	-34797667.395490600
2001-07-01	791103903.230549000
2001-10-01	1812221626.315219900
2002-01-01	1891987152.208759800
2002-04-01	1088848083.427670000
2002-07-01	4496519300.150370000
2002-10-01	5519021226.444930000
2003-01-01	5113914785.225160000
2003-04-01	5974072880.708520000
2003-07-01	6417307167.338980000
2003-10-01	7184406150.867400000
2004-01-01	7388641840.087610000
2004-04-01	7984283906.352130000
2004-07-01	8685944224.040821000
2004-10-01	8886996972.168140000
2005-01-01	10867771749.123100000
2005-04-01	10568746464.949800000
2005-07-01	11407439452.361500000
2005-10-01	12488801088.393200000
2006-01-01	12267408439.579700000
2006-04-01	9129421370.426180000
2006-07-01	12724769324.518900000
2006-10-01	12603047314.842800000
2007-01-01	12242687389.515300000
2007-04-01	10505095435.471500000
2007-07-01	8524442523.347239500
2007-10-01	9395790614.453360000
2008-01-01	5109904158.429890000
2008-04-01	6119073581.466479000
2008-07-01	6303142345.546380000
2008-10-01	5936259386.371720000
2009-01-01	5854745383.305120000
2009-04-01	9243292549.665829000
2009-07-01	5792025333.942160000
2009-10-01	4383690102.902790000
2010-01-01	4508049593.921960000
2010-04-01	5076598091.934950000
2010-07-01	3302963044.205130000
2010-10-01	6500355083.290780000
2011-01-01	8126264331.397630000
2011-04-01	7224948863.607309000
2011-07-01	7712451645.401319500
2011-10-01	5897303159.930290000
2012-01-01	7551109765.579830000
2012-04-01	2198300696.312979700
2012-07-01	6347165897.059760000
2012-10-01	2886826423.124040000
2013-01-01	-417651243.544540000
2013-04-01	-514759283.594626960
2013-07-01	-294066495.866901000
2013-10-01	3910481736.955890000
2014-01-01	-1313133237.246830000
2014-04-01	457404176.494415000
2014-07-01	47943199.818557700
2014-10-01	-3201832552.073660000
2015-01-01	-2012618579.507480000
2015-04-01	4723106767.377180000
2015-07-01	6598729571.946790000
2015-10-01	9824172760.537030000
2016-01-01	11747872516.655800000
2016-04-01	12501793767.316400000
2016-07-01	11153603790.264301000
2016-10-01	12417047446.725300000
2017-01-01	18094617847.522600000
2017-04-01	18713125002.819900000
2017-07-01	15402444945.665600000
2017-10-01	14967270465.297499000
2018-01-01	16246115868.420900000
2018-04-01	14690046076.560799000
2018-07-01	10249599588.194200000