Quarterly US Dollars, Monthly Level
1960-01-01 -78000000.00000000
1960-04-01 -87000000.00000000
1960-07-01 -74000000.00000000
1960-10-01 -73000000.00000000
1961-01-01 -67000000.00000001
1961-04-01 -90000000
1961-07-01 -56000000.00000000
1961-10-01 -63000000.00000000
1962-01-01 -86000000.00000000
1962-04-01 -83000000.00000000
1962-07-01 -99000000.00000000
1962-10-01 -100000000.00000000
1963-01-01 -103000000.00000000
1963-04-01 -135000000.00000000
1963-07-01 -124000000.00000000
1963-10-01 -114000000.00000000
1964-01-01 -81000000.00000000
1964-04-01 -69000000.00000000
1964-07-01 -65000000.00000000
1964-10-01 -72000000.00000000
1965-01-01 -58000000.00000000
1965-04-01 -67000000.00000001
1965-07-01 -75000000.00000000
1965-10-01 -92000000.00000000
1966-01-01 -78000000.00000000
1966-04-01 -105000000.00000000
1966-07-01 -96000000.00000000
1966-10-01 -187000000.00000000
1967-01-01 -138000000.00000000
1967-04-01 -133000000.00000000
1967-07-01 -166000000.00000000
1967-10-01 -238000000.00000000
1968-01-01 -208000000.00000000
1968-04-01 -236000000.00000000
1968-07-01 -233000000.00000000
1968-10-01 -330000000.00000000
1969-01-01 -236000000.00000000
1969-04-01 -276000000.00000000
1969-07-01 -366000000.00000000
1969-10-01 -323000000.00000000
1970-01-01 -259000000.00000000
1970-04-01 -242000000.00000000
1970-07-01 -246000000.00000000
1970-10-01 -401000000.00000000
1971-01-01 -312000000.00000000
1971-04-01 -388000000.00000000
1971-07-01 -365000000.00000000
1971-10-01 -263000000.00000000
1972-01-01 -229000000.00000000
1972-04-01 -276000000.00000000
1972-07-01 -196000000.00000000
1972-10-01 -197000000.00000000
1973-01-01 -233000000.00000000
1973-04-01 -396000000.00000000
1973-07-01 -231000000.00000000
1973-10-01 -138000000.00000000
1974-01-01 -429000000.00000000
1974-04-01 -591000000.00000000
1974-07-01 -632000000.00000000
1974-10-01 -738000000.00000000
1975-01-01 -997000000.00000000
1975-04-01 -800000000.00000000
1975-07-01 -166000000.00000000
1975-10-01 -368000000.00000000
1976-01-01 -380000000.00000000
1976-04-01 -210000000.00000000
1976-07-01 -380000000.00000000
1976-10-01 -88000000.00000000
1977-01-01 -233000000.00000000
1977-04-01 -434000000.00000000
1977-07-01 -50000000
1977-10-01 -47000000.00000000
1978-01-01 -323000000.00000000
1978-04-01 -423000000.00000000
1978-07-01 -597000000.00000000
1978-10-01 -907000000.00000000
1979-01-01 -1200000000.00000000
1979-04-01 -1683000000.00000000
1979-07-01 -1159000000.00000000
1979-10-01 -1240000000.00000000
1980-01-01 -1574000000.00000000
1980-04-01 -1325000000.00000000
1980-07-01 -899000000.00000000
1980-10-01 -983000000.00000000
1981-01-01 -1405000000.00000000
1981-04-01 -1254000000.00000000
1981-07-01 -930000000.00000000
1981-10-01 -1274000000.00000000
1982-01-01 -858000000.00000000
1982-04-01 -498000000.00000000
1982-07-01 -342000000.00000000
1982-10-01 -700000000.00000000
1983-01-01 -1233000000.00000000
1983-04-01 87000000.00000000
1983-07-01 151000000.00000000
1983-10-01 -751000000.00000000
1984-01-01 -907000000.00000000
1984-04-01 -692000000.00000000
1984-07-01 -661000000.00000000
1984-10-01 871000000.00000000
1985-01-01 -927000000.00000000
1985-04-01 -178000000.00000000
1985-07-01 141000000.00000000
1985-10-01 117000000.00000000
1986-01-01 -1016999999.99999990
1986-04-01 927000000.00000000
1986-07-01 1278000000.00000000
1986-10-01 1578000000.00000000
1987-01-01 1200000000.00000000
1987-04-01 1424000000.00000000
1987-07-01 1360000000.00000000
1987-10-01 2182000000.00000000
1988-01-01 1350000000.00000000
1988-04-01 1730000000.00000000
1988-07-01 2260000000.00000000
1988-10-01 3530000000.00000000
1989-01-01 60000000.00000000
1989-04-01 30000000.00000000
1989-07-01 100000000
1989-10-01 720000000
1990-01-01 -1906052000.00000000
1990-04-01 -849938000.00000000
1990-07-01 -250685000.00000000
1990-10-01 -1821272000.00000000
1991-01-01 -4336413000.00000000
1991-04-01 -1955038000.00000000
1991-07-01 -3115105000.00000000
1991-10-01 -248179000.00000000
1992-01-01 -3933408000.00000000
1992-04-01 -1253465000.00000000
1992-07-01 -206138000.00000000
1992-10-01 249269000.00000000
1993-01-01 -1785818000.00000000
1993-04-01 -590491000.00000000
1993-07-01 -392653000.00000000
1993-10-01 1204683000.00000000
1994-01-01 -2668368000.00000000
1994-04-01 -981059000.00000000
1994-07-01 -2202896000.00000000
1994-10-01 -482616000.00000000
1995-01-01 -4330719000.00000000
1995-04-01 -2692089000.00000000
1995-07-01 -2368624000.00000000
1995-10-01 -669513000.00000000
1996-01-01 -4169313000.00000000
1996-04-01 -3904592000.00000000
1996-07-01 -7515202000.00000000
1996-10-01 -5034858000.00000000
1997-01-01 -7326657000.00000000
1997-04-01 -1829842000.00000000
1997-07-01 -1505978000.00000000
1997-10-01 2210305000.00000000
1998-01-01 8576908000.00000000
1998-04-01 11336732000.00000000
1998-07-01 9019102000.00000000
1998-10-01 10098646000.00000000
1999-01-01 4687232000.00000000
1999-04-01 6981661000.00000000
1999-07-01 5329040000.00000000
1999-10-01 6935243000.00000000
2000-01-01 437884000.00000000
2000-04-01 3604336000.00000000
2000-07-01 3971097000.00000000
2000-10-01 3773176000.00000000
2001-01-01 2008727000.00000000
2001-04-01 3874018000.00000000
2001-07-01 1450724000.00000000
2001-10-01 2007854000.00000000
2002-01-01 1868551000.00000000
2002-04-01 3059781000.00000000
2002-07-01 2370971000.00000000
2002-10-01 3045071000.00000000
2003-01-01 -1187532000.00000000
2003-04-01 4342481000.00000000
2003-07-01 4857257000.00000000
2003-10-01 6978578000.00000000
2004-01-01 6501422000.00000000
2004-04-01 8705041000.00000000
2004-07-01 6926094000.00000000
2004-10-01 7249429000.00000000
2005-01-01 6180844000.00000000
2005-04-01 6007919000.00000000
2005-07-01 4869371000.00000000
2005-10-01 6122343000.00000000
2006-01-01 1342876000.00000000
2006-04-01 4753785000.00000000
2006-07-01 2496972000.00000000
2006-10-01 7488584000.00000000
2007-01-01 2441813000.00000000
2007-04-01 5022549000.00000000
2007-07-01 4470280000.00000000
2007-10-01 2708711000.00000000
2008-01-01 -6608384000.00000000
2008-04-01 -300787000.00000000
2008-07-01 -7900882000.00000000
2008-10-01 1542646000.00000000
2009-01-01 3003849000.00000000
2009-04-01 16390225000.00000000
2009-07-01 9935423000.00000000
2009-10-01 11119543000.00000000
2010-01-01 2927882000.00000000
2010-04-01 14607279000.00000000
2010-07-01 10616986000.00000000
2010-10-01 13019454000.00000000
2011-01-01 7036906000.00000000
2011-04-01 8306721000.00000000
2011-07-01 6295861000.00000000
2011-10-01 9161078000.00000000
2012-01-01 1175678000.00000000
2012-04-01 9698572000.00000000
2012-07-01 7473290000.00000000
2012-10-01 9937778000.00000000
2013-01-01 5585497000.00000000
2013-04-01 14398959000.00000000
2013-07-01 10757719000.00000000
2013-10-01 13304745000.00000000
2014-01-01 5169517000.00000000
2014-04-01 14715143000.00000000
2014-07-01 8918635000.00000000
2014-10-01 18346805000.00000000
2015-01-01 21633075000.00000000
2015-04-01 24606758000.00000000
2015-07-01 20275724000.00000000
2015-10-01 23741973000.00000000
2016-01-01 21357782000.00000000
2016-04-01 26719960000.00000000
2016-07-01 19388887000.00000000
2016-10-01 21766423000.00000000
2017-01-01 15633191000.00000000
2017-04-01 29245063000.00000000
2017-07-01 30198436000.00000000
2017-10-01 20139435000.00000000
2018-01-01 12695342000.00000000
2018-04-01 18663886000.00000000
2018-07-01 23257906000.00000000