Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	-571000000
1979-04-01	-623000000
1979-07-01	-558000000
1979-10-01	-568000000
1980-01-01	-718000000
1980-04-01	-737000000
1980-07-01	-847000000
1980-10-01	-738000000
1981-01-01	-522000000
1981-04-01	-677000000
1981-07-01	-802000000
1981-10-01	-817000000
1982-01-01	-717000000
1982-04-01	-920000000
1982-07-01	-1036000000
1982-10-01	-817000000
1983-01-01	-864000000
1983-04-01	-637000000
1983-07-01	-450000000
1983-10-01	-360000000
1984-01-01	-380000000
1984-04-01	-374000000
1984-07-01	-429000000
1984-10-01	-474000000
1985-01-01	-299000000
1985-04-01	-357000000
1985-07-01	-444000000
1985-10-01	-494000000
1986-01-01	-414000000
1986-04-01	-623000000
1986-07-01	-773000000
1986-10-01	-747000000
1987-01-01	-627000000
1987-04-01	-624000000
1987-07-01	-433000000
1987-10-01	-574000000
1988-01-01	-584000000
1988-04-01	-795000000
1988-07-01	-829000000
1988-10-01	-688000000
1989-01-01	-574000000
1989-04-01	-711000000
1989-07-01	-666000000
1989-10-01	-715000000
1990-01-01	-589000000
1990-04-01	-896000000
1990-07-01	-1068000000
1990-10-01	-1044000000
1991-01-01	-822000000
1991-04-01	-982000000
1991-07-01	-1058000000
1991-10-01	-938000000
1992-01-01	-407000000
1992-04-01	-756000000
1992-07-01	-1016000000
1992-10-01	-1005000000
1993-01-01	-930000000
1993-04-01	-1426000000
1993-07-01	-1700000000
1993-10-01	-1190000000
1994-01-01	-1087000000
1994-04-01	-1282000000
1994-07-01	-1348000000
1994-10-01	-1939000000
1995-01-01	-1570000000
1995-04-01	-1917000000
1995-07-01	-2098000000
1995-10-01	-1898000000
1996-01-01	-1566000000
1996-04-01	-2067000000
1996-07-01	-2550000000
1996-10-01	-2498000000
1997-01-01	-2055000000
1997-04-01	-2604000000
1997-07-01	-2952000000
1997-10-01	-3034000000
1998-01-01	-2233000000
1998-04-01	-2272000000
1998-07-01	-2918000000
1998-10-01	-2688000000
1999-01-01	-1173000000
1999-04-01	-1831000000
1999-07-01	-1903000000
1999-10-01	-2071000000
2000-01-01	-1373000000
2000-04-01	-1818000000
2000-07-01	-1579000000
2000-10-01	-2391000000
2001-01-01	-1852000000
2001-04-01	-2195000000
2001-07-01	-1971000000
2001-10-01	-1741000000
2002-01-01	-1091000000
2002-04-01	-1545000000
2002-07-01	-1225000000
2002-10-01	-1096000000
2003-01-01	-760000000
2003-04-01	-1466000000
2003-07-01	-1414000000
2003-10-01	-1291000000
2004-01-01	-634000000
2004-04-01	-1191000000
2004-07-01	-1366000000
2004-10-01	-1487000000
2005-01-01	-1172000000
2005-04-01	-2384000000
2005-07-01	-2220000000
2005-10-01	-2532000000
2006-01-01	-1722000000
2006-04-01	-2475000000
2006-07-01	-2850000000
2006-10-01	-2593000000
2007-01-01	-2723000000
2007-04-01	-3296000000
2007-07-01	-3420000000
2007-10-01	-3780000000
2008-01-01	-3322000000
2008-04-01	-4821000000
2008-07-01	-4791000000
2008-10-01	-3756000000
2009-01-01	-2838000000
2009-04-01	-5277000000
2009-07-01	-5303000000
2009-10-01	-5827000000
2010-01-01	-5926000000
2010-04-01	-7605000000
2010-07-01	-8612000000
2010-10-01	-8691000000
2011-01-01	-7715000000
2011-04-01	-10278000000
2011-07-01	-10078000000
2011-10-01	-9860000000
2012-01-01	-9369000000
2012-04-01	-10207000000
2012-07-01	-9881000000
2012-10-01	-11585000000
2013-01-01	-10433000000
2013-04-01	-11440000000
2013-07-01	-12656000000
2013-10-01	-12572000000
2014-01-01	-10433000000
2014-04-01	-12567000000
2014-07-01	-12987000000
2014-10-01	-12942000000