Quarter	US Dollars, Sum Over Component Sub-periods
1960-01-01	-358000000
1960-04-01	-414000000
1960-07-01	-159000000
1960-10-01	-874000000
1961-01-01	-1131000000
1961-04-01	-607000000
1961-07-01	-522000000
1961-10-01	-573000000
1962-01-01	-886000000
1962-04-01	-1022000000
1962-07-01	20000000
1962-10-01	-374000000
1963-01-01	-1092000000
1963-04-01	-1361000000
1963-07-01	-24000000
1963-10-01	-1576000000
1964-01-01	-1994000000
1964-04-01	-1654000000
1964-07-01	-771000000
1964-10-01	-1498000000
1965-01-01	-1663000000
1965-04-01	-1742000000
1965-07-01	-312000000
1965-10-01	-1257000000
1966-01-01	-1269000000
1966-04-01	-1082000000
1966-07-01	-248000000
1966-10-01	-1061000000
1967-01-01	-1109000000
1967-04-01	-491000000
1967-07-01	-153000000
1967-10-01	-625000000
1968-01-01	-336000000
1968-04-01	-297000000
1968-07-01	-34000000
1968-10-01	-382000000
1969-01-01	594000000
1969-04-01	479000000
1969-07-01	1079000000
1969-10-01	-1034000000
1970-01-01	-1010000000
1970-04-01	-887000000
1970-07-01	562000000
1970-10-01	-775000000
1971-01-01	-410000000
1971-04-01	2631000000
1971-07-01	6207000000
1971-10-01	2785000000
1972-01-01	-54000000
1972-04-01	2229000000
1972-07-01	3648000000
1972-10-01	1851000000
1973-01-01	2734000000
1973-04-01	-1385000000
1973-07-01	-863000000
1973-10-01	-4972000000
1974-01-01	302000000
1974-04-01	-805000000
1974-07-01	1679000000
1974-10-01	-693000000
1975-01-01	-8175000000
1975-04-01	-5575000000
1975-07-01	-2046000000
1975-10-01	-7037000000
1976-01-01	-4957000000
1976-04-01	-3620000000
1976-07-01	-1386000000
1976-10-01	-3466000000
1977-01-01	1531000000
1977-04-01	2333000000
1977-07-01	8327000000
1977-10-01	5794000000
1978-01-01	3061000000
1978-04-01	-4363000000
1978-07-01	7935000000
1978-10-01	-1488000000
1979-01-01	-6030000000
1979-04-01	-8331000000
1979-07-01	-1624000000
1979-10-01	-9375000000
1980-01-01	-4384000000
1980-04-01	-13834000000
1980-07-01	-4461000000
1980-10-01	-2253000000
1981-01-01	-13198000000
1981-04-01	-9146000000
1981-07-01	-187000000
1981-10-01	-5932000000
1982-01-01	-10530000000
1982-04-01	-8647000000
1982-07-01	-5908000000
1982-10-01	-7542000000
1983-01-01	-13881000000
1983-04-01	12429000000
1983-07-01	7704000000
1983-10-01	14981000000
1984-01-01	13540000000
1984-04-01	15966000000
1984-07-01	22411000000
1984-10-01	23991000000
1985-01-01	11342000000
1985-04-01	26096000000
1985-07-01	31898000000
1985-10-01	30458000000
1986-01-01	22671000000
1986-04-01	27197000000
1986-07-01	37175000000
1986-10-01	29864000000
1987-01-01	49202000000
1987-04-01	29226000000
1987-07-01	54708000000
1987-10-01	35033000000
1988-01-01	32985000000
1988-04-01	48297000000
1988-07-01	1692000000
1988-10-01	55779000000
1989-01-01	10180000000
1989-04-01	264000000
1989-07-01	19865000000
1989-10-01	17277000000
1990-01-01	12706000000
1990-04-01	2730000000
1990-07-01	18522000000
1990-10-01	17266000000
1991-01-01	-5386000000
1991-04-01	11498000000
1991-07-01	11635000000
1991-10-01	20957000000
1992-01-01	17437000000
1992-04-01	32296000000
1992-07-01	22094000000
1992-10-01	23561000000
1993-01-01	1176000000
1993-04-01	12046000000
1993-07-01	31369000000
1993-10-01	33903000000
1994-01-01	46810000000
1994-04-01	8804000000
1994-07-01	48035000000
1994-10-01	19476000000
1995-01-01	29219000000
1995-04-01	2770000000
1995-07-01	67589000000
1995-10-01	-16961000000
1996-01-01	544000000
1996-04-01	31267000000
1996-07-01	51352000000
1996-10-01	51305000000
1997-01-01	16420000000
1997-04-01	45117000000
1997-07-01	46186000000
1997-10-01	110998000000
1998-01-01	813000000
1998-04-01	14375000000
1998-07-01	15815000000
1998-10-01	35955000000
1999-01-01	18849000000
1999-04-01	65944000000
1999-07-01	31050000000
1999-10-01	118129000000
2000-01-01	30971000000
2000-04-01	139171000000
2000-07-01	159258000000
2000-10-01	148299000000
2001-01-01	109591000000
2001-04-01	118240000000
2001-07-01	70022000000
2001-10-01	115599000000
2002-01-01	85400000000
2002-04-01	89832000000
2002-07-01	159032000000
2002-10-01	166110000000
2003-01-01	154055000000
2003-04-01	58341000000
2003-07-01	127430000000
2003-10-01	191232000000
2004-01-01	100150000000
2004-04-01	160386000000
2004-07-01	103445000000
2004-10-01	171399000000
2005-01-01	98582000000
2005-04-01	83566000000
2005-07-01	228812000000
2005-10-01	302873000000
2006-01-01	148052000000
2006-04-01	183433000000
2006-07-01	225844000000
2006-10-01	220323000000
2007-01-01	231054000000
2007-04-01	153399000000
2007-07-01	69345000000
2007-10-01	157623000000
2008-01-01	201635000000
2008-04-01	155092000000
2008-07-01	183093000000
2008-10-01	229705000000
2009-01-01	-878000000
2009-04-01	4618000000
2009-07-01	21586000000
2009-10-01	160736000000
2010-01-01	55660000000
2010-04-01	14119000000
2010-07-01	241230000000
2010-10-01	112800000000
2011-01-01	196948000000
2011-04-01	122255000000
2011-07-01	165211000000
2011-10-01	31075000000
2012-01-01	264061000000
2012-04-01	7062000000
2012-07-01	27544000000
2012-10-01	154703000000
2013-01-01	28683000000
2013-04-01	54462000000
2013-07-01	72807000000