Quarter	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