Quarter	US Dollars, Sum Over Component Sub-periods
1960-01-01	-208000000
1960-04-01	-282000000
1960-07-01	-233000000
1960-10-01	-220000000
1961-01-01	-261000000
1961-04-01	-197000000
1961-07-01	-185000000
1961-10-01	-105000000
1962-01-01	-220000000
1962-04-01	-239000000
1962-07-01	-219000000
1962-10-01	-197000000
1963-01-01	-216000000
1963-04-01	-258000000
1963-07-01	-222000000
1963-10-01	-170000000
1964-01-01	-277000000
1964-04-01	-334000000
1964-07-01	-277000000
1964-10-01	-337000000
1965-01-01	-345000000
1965-04-01	-323000000
1965-07-01	-322000000
1965-10-01	-343000000
1966-01-01	-231000000
1966-04-01	-409000000
1966-07-01	-338000000
1966-10-01	-289000000
1967-01-01	-283000000
1967-04-01	-383000000
1967-07-01	-282000000
1967-10-01	-187000000
1968-01-01	-209000000
1968-04-01	-263000000
1968-07-01	-122000000
1968-10-01	-103000000
1969-01-01	-72000000
1969-04-01	-21000000
1969-07-01	-92000000
1969-10-01	-46000000
1970-01-01	-67000000
1970-04-01	-115000000
1970-07-01	-142000000
1970-10-01	-84000000
1971-01-01	-200000000
1971-04-01	-156000000
1971-07-01	-182000000
1971-10-01	-144000000
1972-01-01	-153000000
1972-04-01	-40000000
1972-07-01	-54000000
1972-10-01	-61000000
1973-01-01	-60000000
1973-04-01	-67000000
1973-07-01	-47000000
1973-10-01	-313000000
1974-01-01	-209000000
1974-04-01	-537000000
1974-07-01	-446000000
1974-10-01	-180000000
1975-01-01	-140000000
1975-04-01	-222000000
1975-07-01	-275000000
1975-10-01	351000000
1976-01-01	15000000
1976-04-01	535000000
1976-07-01	62000000
1976-10-01	175000000
1977-01-01	124000000
1977-04-01	718000000
1977-07-01	102000000
1977-10-01	-13000000
1978-01-01	-318000000
1978-04-01	-318000000
1978-07-01	147000000
1978-10-01	-396000000
1979-01-01	-627000000
1979-04-01	-297000000
1979-07-01	-655000000
1979-10-01	-644000000
1980-01-01	-1410000000
1980-04-01	-1447000000
1980-07-01	-1352000000
1980-10-01	-1435000000
1981-01-01	-1728000000
1981-04-01	-1158000000
1981-07-01	-1144000000
1981-10-01	-1682000000
1982-01-01	-1300000000
1982-04-01	-1196000000
1982-07-01	-979000000
1982-10-01	-1344000000
1983-01-01	-935000000
1983-04-01	-1059000000
1983-07-01	-916000000
1983-10-01	-1188000000
1984-01-01	-976000000
1984-04-01	-703000000
1984-07-01	-1175000000
1984-10-01	-1171000000
1985-01-01	-1011000000
1985-04-01	-2030000000
1985-07-01	-1177000000
1985-10-01	-1398000000
1986-01-01	-1481000000
1986-04-01	-1562000000
1986-07-01	-1127000000
1986-10-01	-1269000000
1987-01-01	-1584000000
1987-04-01	-1316000000
1987-07-01	-1301000000
1987-10-01	-1576000000
1988-01-01	-996000000
1988-04-01	-1725000000
1988-07-01	-1445000000
1988-10-01	-2416000000
1989-01-01	-1408000000
1989-04-01	-2002000000
1989-07-01	-1611000000
1989-10-01	-1089000000
1990-01-01	-357000000
1990-04-01	-1274000000
1990-07-01	-1564000000
1990-10-01	-1956000000
1991-01-01	-1825000000
1991-04-01	-759000000
1991-07-01	-1112000000
1991-10-01	704000000
1992-01-01	481000000
1992-04-01	-1325000000
1992-07-01	-1001000000
1992-10-01	-1066000000
1993-01-01	-559000000
1993-04-01	-524000000
1993-07-01	-438000000
1993-10-01	-572000000
1994-01-01	-16000000
1994-04-01	-937000000
1994-07-01	-1177000000
1994-10-01	-2021000000
1995-01-01	-1536000000
1995-04-01	-1792000000
1995-07-01	-1781000000
1995-10-01	-1610000000
1996-01-01	-2001000000
1996-04-01	-2818000000
1996-07-01	-2382000000
1996-10-01	-2851000000
1997-01-01	-2141000000
1997-04-01	-2945000000
1997-07-01	-1602000000
1997-10-01	-3341000000
1998-01-01	-2773000000
1998-04-01	-3536000000
1998-07-01	-2163000000
1998-10-01	-2280000000
1999-01-01	-548000000
1999-04-01	-2755000000
1999-07-01	-2101000000
1999-10-01	-3275000000
2000-01-01	-4246000000
2000-04-01	-2102000000
2000-07-01	-2450000000
2000-10-01	-1842000000
2001-01-01	-333000000
2001-04-01	-2533000000
2001-07-01	-1901000000
2001-10-01	-1653000000
2002-01-01	76000000
2002-04-01	-661000000
2002-07-01	-875000000
2002-10-01	-2101000000
2003-01-01	-668000000
2003-04-01	-3466000000
2003-07-01	-1746000000
2003-10-01	-1308000000
2004-01-01	681000000
2004-04-01	-2875000000
2004-07-01	-6865000000
2004-10-01	-8541000000
2005-01-01	-3750000000
2005-04-01	-10215000000
2005-07-01	-9609000000
2005-10-01	-8943000000
2006-01-01	-7569000000
2006-04-01	-12321000000
2006-07-01	-11172000000
2006-10-01	-11742000000
2007-01-01	-7614000000
2007-04-01	-14137000000
2007-07-01	-15519000000
2007-10-01	-17557000000
2008-01-01	-18626000000
2008-04-01	-16999000000
2008-07-01	-29914000000
2008-10-01	-27603000000
2009-01-01	-14390000000
2009-04-01	-19779000000
2009-07-01	-22331000000
2009-10-01	-23164000000
2010-01-01	-23232000000
2010-04-01	-23984000000
2010-07-01	-28857000000
2010-10-01	-21860000000
2011-01-01	-29860000000
2011-04-01	-35538000000