Quarter	US Dollars, Sum Over Component Sub-periods
1960-01-01	52000000
1960-04-01	53000000
1960-07-01	40000000
1960-10-01	-24000000
1961-01-01	32000000
1961-04-01	-18000000
1961-07-01	164000000
1961-10-01	-51000000
1962-01-01	41000000
1962-04-01	118000000
1962-07-01	15000000
1962-10-01	5000000
1963-01-01	-108000000
1963-04-01	-12000000
1963-07-01	46000000
1963-10-01	-46000000
1964-01-01	-60000000
1964-04-01	32000000
1964-07-01	59000000
1964-10-01	28000000
1965-01-01	-1000000
1965-04-01	55000000
1965-07-01	38000000
1965-10-01	-68000000
1966-01-01	-63000000
1966-04-01	44000000
1966-07-01	67000000
1966-10-01	49000000
1967-01-01	-37000000
1967-04-01	23000000
1967-07-01	36000000
1967-10-01	-8000000
1968-01-01	-113000000
1968-04-01	-2000000
1968-07-01	-34000000
1968-10-01	32000000
1969-01-01	-123000000
1969-04-01	-118000000
1969-07-01	-52000000
1969-10-01	-86000000
1970-01-01	-99000000
1970-04-01	-91000000
1970-07-01	35000000
1970-10-01	25000000
1971-01-01	44000000
1971-04-01	-66000000
1971-07-01	11000000
1971-10-01	-10000000
1972-01-01	38000000
1972-04-01	5000000
1972-07-01	79000000
1972-10-01	5000000
1973-01-01	-46000000
1973-04-01	-44000000
1973-07-01	63000000
1973-10-01	139000000
1974-01-01	-177000000
1974-04-01	136000000
1974-07-01	189000000
1974-10-01	296000000
1975-01-01	69000000
1975-04-01	-133000000
1975-07-01	-378000000
1975-10-01	-155000000
1976-01-01	-814000000
1976-04-01	-655000000
1976-07-01	-93000000
1976-10-01	-319000000
1977-01-01	-815000000
1977-04-01	-836000000
1977-07-01	-60000000
1977-10-01	-380000000
1978-01-01	-718000000
1978-04-01	-667000000
1978-07-01	-128000000
1978-10-01	-259000000
1979-01-01	-492000000
1979-04-01	-307000000
1979-07-01	-222000000
1979-10-01	184000000
1980-01-01	-104000000
1980-04-01	691000000
1980-07-01	-586000000
1980-10-01	625000000
1981-01-01	-16000000
1981-04-01	552000000
1981-07-01	824000000
1981-10-01	466000000
1982-01-01	-140000000
1982-04-01	77000000
1982-07-01	-25000000
1982-10-01	131000000
1983-01-01	-900000000
1983-04-01	-363000000
1983-07-01	17000000
1983-10-01	403000000
1984-01-01	-1129000000
1984-04-01	-339000000
1984-07-01	-137000000
1984-10-01	8000000
1985-01-01	-139000000
1985-04-01	83000000
1985-07-01	333000000
1985-10-01	257000000
1986-01-01	196000000
1986-04-01	472000000
1986-07-01	465000000
1986-10-01	-241000000
1987-01-01	-204000000
1987-04-01	261000000
1987-07-01	634000000
1987-10-01	109000000
1988-01-01	-209000000
1988-04-01	1064000000
1988-07-01	460000000
1988-10-01	-128000000
1989-01-01	-283000000
1989-04-01	370000000
1989-07-01	836000000
1989-10-01	-86000000
1990-01-01	-204000000
1990-04-01	335000000
1990-07-01	1093000000
1990-10-01	1573000000
1991-01-01	-890000000
1991-04-01	1105000000
1991-07-01	-676000000
1991-10-01	-1583000000
1992-01-01	-2231000000
1992-04-01	-357000000
1992-07-01	614000000
1992-10-01	13000000
1993-01-01	-1140000000
1993-04-01	-260000000
1993-07-01	-922000000
1993-10-01	-2339000000
1994-01-01	-5202000000
1994-04-01	-1175000000
1994-07-01	-2330000000
1994-10-01	-640000000
1995-01-01	-499000000
1995-04-01	1259000000
1995-07-01	45000000
1995-10-01	1296000000
1996-01-01	335000000
1996-04-01	-639000000
1996-07-01	-892000000
1996-10-01	-1497000000
1997-01-01	-2790000000
1997-04-01	-2970000000
1997-07-01	-496000000
1997-10-01	1572000000
1998-01-01	-1998000000
1998-04-01	1861000000
1998-07-01	-1778000000
1998-10-01	-735000000
1999-01-01	-3175000000
1999-04-01	-1412000000
1999-07-01	591000000
1999-10-01	-2024000000
2000-01-01	-3297000000
2000-04-01	1008000000
2000-07-01	414000000
2000-10-01	-4169000000
2001-01-01	-3121000000
2001-04-01	-1462000000
2001-07-01	-483000000
2001-10-01	-3624000000
2002-01-01	-6187000000
2002-04-01	-1662000000
2002-07-01	-4927000000
2002-10-01	-6077000000
2003-01-01	-4314000000
2003-04-01	-5464000000
2003-07-01	-8592000000
2003-10-01	-7294000000
2004-01-01	-10071000000
2004-04-01	-7570000000
2004-07-01	634000000
2004-10-01	-6594000000
2005-01-01	-12629000000
2005-04-01	-1246000000
2005-07-01	-5256000000
2005-10-01	4672000000
2006-01-01	-13221000000
2006-04-01	-6379000000
2006-07-01	-2270000000
2006-10-01	-7505000000
2007-01-01	-20452000000
2007-04-01	-11200000000
2007-07-01	-29236000000
2007-10-01	-26738000000
2008-01-01	-24990000000
2008-04-01	-2235000000
2008-07-01	4734000000
2008-10-01	17880000000
2009-01-01	-300000000
2009-04-01	-115000000
2009-07-01	-9418000000
2009-10-01	-1767000000
2010-01-01	-2141000000
2010-04-01	-3741000000
2010-07-01	-3289000000
2010-10-01	-3989000000