Quarterly US Dollars, Sum Over Component Sub-periods
1984-01-01 -700000000
1984-04-01 175000000
1984-07-01 469000000
1984-10-01 525000000
1985-01-01 92000000
1985-04-01 -177000000
1985-07-01 -906000000
1985-10-01 154000000
1986-01-01 12000000
1986-04-01 -79000000
1986-07-01 -108000000
1986-10-01 57000000
1987-01-01 -65000000
1987-04-01 -303000000
1987-07-01 -95000000
1987-10-01 -43000000
1988-01-01 223000000
1988-04-01 442000000
1988-07-01 80000000
1988-10-01 -230000000
1989-01-01 223000000
1989-04-01 131000000
1989-07-01 470000000
1989-10-01 147000000
1990-01-01 94000000
1990-04-01 102000000
1990-07-01 205000000
1990-10-01 -869000000
1991-01-01 -62000000
1991-04-01 784000000
1991-07-01 127000000
1991-10-01 99000000
1992-01-01 -763000000
1992-04-01 -573000000
1992-07-01 215000000
1992-10-01 -69000000
1993-01-01 -905000000
1993-04-01 -62000000
1993-07-01 -557000000
1993-10-01 -638000000
1994-01-01 -2666000000
1994-04-01 1869000000
1994-07-01 2519000000
1994-10-01 110000000
1995-01-01 376000000
1995-04-01 569000000
1995-07-01 955000000
1995-10-01 532000000
1996-01-01 -489000000
1996-04-01 654000000
1996-07-01 1280000000
1996-10-01 54000000
1997-01-01 256000000
1997-04-01 -1340000000
1997-07-01 680000000
1997-10-01 -583000000
1998-01-01 912000000
1998-04-01 1720000000
1998-07-01 3524000000
1998-10-01 -6869000000
1999-01-01 318000000
1999-04-01 1792000000
1999-07-01 800000000
1999-10-01 -1608000000
2000-01-01 -719000000
2000-04-01 259000000
2000-07-01 -1304000000
2000-10-01 -897000000
2001-01-01 -877000000
2001-04-01 -298000000
2001-07-01 -2334000000
2001-10-01 1382000000
2002-01-01 -1688000000
2002-04-01 363000000
2002-07-01 393000000
2002-10-01 174000000
2003-01-01 -1169000000
2003-04-01 3659000000
2003-07-01 -54000000
2003-10-01 2053000000
2004-01-01 -1017000000
2004-04-01 1916000000
2004-07-01 -1855000000
2004-10-01 1794000000
2005-01-01 1211000000
2005-04-01 2415000000
2005-07-01 -1162000000
2005-10-01 -500000000
2006-01-01 1462000000
2006-04-01 1932000000
2006-07-01 -2389000000
2006-10-01 -1233000000
2007-01-01 933000000
2007-04-01 2763000000
2007-07-01 -4127000000
2007-10-01 948000000
2008-01-01 1215000000
2008-04-01 -3971000000
2008-07-01 -1164000000
2008-10-01 6832000000
2009-01-01 5425000000
2009-04-01 512000000
2009-07-01 -1622000000
2009-10-01 -1237000000
2010-01-01 -85000000
2010-04-01 -2591000000
2010-07-01 2332000000
2010-10-01 1272000000
2011-01-01 2428000000
2011-04-01 4952000000
2011-07-01 1493000000
2011-10-01 262000000
2012-01-01 5302000000
2012-04-01 -3997000000
2012-07-01 3071000000
2012-10-01 -3317000000
2013-01-01 -3633000000
2013-04-01 -764000000
2013-07-01 7018000000
2013-10-01 -89000000
2014-01-01 8022000000
2014-04-01 -1652000000