Quarter	US Dollars, Sum Over Component Sub-periods
1969-01-01	-134000000
1969-04-01	-81000000
1969-07-01	0
1969-10-01	-66000000
1970-01-01	-112000000
1970-04-01	-27000000
1970-07-01	-81000000
1970-10-01	-342000000
1971-01-01	-445000000
1971-04-01	-327000000
1971-07-01	-263000000
1971-10-01	-274000000
1972-01-01	-440000000
1972-04-01	-366000000
1972-07-01	-232000000
1972-10-01	-448000000
1973-01-01	-390000000
1973-04-01	-279000000
1973-07-01	-99000000
1973-10-01	-920000000
1974-01-01	-1644000000
1974-04-01	-1903000000
1974-07-01	-1940000000
1974-10-01	-1635000000
1975-01-01	-1781000000
1975-04-01	-1797000000
1975-07-01	-1624000000
1975-10-01	-1766000000
1976-01-01	-1900000000
1976-04-01	-1575000000
1976-07-01	-1646000000
1976-10-01	-1399000000
1977-01-01	-1264000000
1977-04-01	-787000000
1977-07-01	-1462000000
1977-10-01	-1536000000
1978-01-01	-1619000000
1978-04-01	-1706000000
1978-07-01	-1863000000
1978-10-01	-1808000000
1979-01-01	-2235000000
1979-04-01	-2232000000
1979-07-01	-2952000000
1979-10-01	-3289000000
1980-01-01	-3639000000
1980-04-01	-3165000000
1980-07-01	-3490000000
1980-10-01	-2446000000
1981-01-01	-2867000000
1981-04-01	-3041000000
1981-07-01	-3105000000
1981-10-01	-2693000000
1982-01-01	-3636000000
1982-04-01	-4172000000
1982-07-01	-4483000000
1982-10-01	-3982000000
1983-01-01	-3123000000
1983-04-01	-1399000000
1983-07-01	-717000000
1983-10-01	-1535000000
1984-01-01	-503000000
1984-04-01	123000000
1984-07-01	625000000
1984-10-01	-150000000
1985-01-01	-1401000000
1985-04-01	420000000
1985-07-01	625000000
1985-10-01	108000000
1986-01-01	-719000000
1986-04-01	279000000
1986-07-01	-1027000000
1986-10-01	-3856000000
1987-01-01	-2523000000
1987-04-01	-428000000
1987-07-01	1434000000
1987-10-01	80000000
1988-01-01	-529000000
1988-04-01	1995000000
1988-07-01	2165000000
1988-10-01	549000000
1989-01-01	815000000
1989-04-01	417000000
1989-07-01	-345000000
1989-10-01	145000000
1990-01-01	-2715000000
1990-04-01	1720000000
1990-07-01	-450000000
1990-10-01	-2339000000
1991-01-01	35000000
1991-04-01	984000000
1991-07-01	-1479000000
1991-10-01	-948000000
1992-01-01	1252000000
1992-04-01	2438000000
1992-07-01	452000000
1992-10-01	1967000000
1993-01-01	-170000000
1993-04-01	102000000
1993-07-01	-138000000
1993-10-01	-470000000
1994-01-01	332000000
1994-04-01	990000000
1994-07-01	1976000000
1994-10-01	-5110000000
1995-01-01	-5631000000
1995-04-01	-6563000000
1995-07-01	-2344000000
1995-10-01	-3846000000
1996-01-01	-3439000000
1996-04-01	-4214000000
1996-07-01	-5782000000
1996-10-01	-10067000000
1997-01-01	-4655000000
1997-04-01	-7771000000
1997-07-01	-7202000000
1997-10-01	-10824000000
1998-01-01	-6108000000
1998-04-01	-7345000000
1998-07-01	-8655000000
1998-10-01	-11307000000
1999-01-01	-5487000000
1999-04-01	-7114000000
1999-07-01	-4930000000
1999-10-01	-7804000000
2000-01-01	-3986000000
2000-04-01	-6993000000
2000-07-01	-4364000000
2000-10-01	-8882000000
2001-01-01	-6668000000
2001-04-01	-6673000000
2001-07-01	-4093000000
2001-10-01	-5781000000
2002-01-01	-3248000000
2002-04-01	-5146000000
2002-07-01	997000000
2002-10-01	-240000000
2003-01-01	163000000
2003-04-01	435000000
2003-07-01	3315000000
2003-10-01	265000000
2004-01-01	1638000000
2004-04-01	2741000000
2004-07-01	5292000000
2004-10-01	2008000000
2005-01-01	2657000000
2005-04-01	2592000000
2005-07-01	5670000000
2005-10-01	3066000000
2006-01-01	1625000000
2006-04-01	1149000000
2006-07-01	7502000000
2006-10-01	3368000000
2007-01-01	241000000
2007-04-01	2181000000
2007-07-01	1125000000
2007-10-01	-1996000000
2008-01-01	-10260000000
2008-04-01	-6611000000
2008-07-01	-6013000000
2008-10-01	-5308000000
2009-01-01	-4938000000
2009-04-01	-2239000000
2009-07-01	-4884000000
2009-10-01	-12241000000
2010-01-01	-11917000000
2010-04-01	-11903000000
2010-07-01	-11532000000
2010-10-01	-11920000000
2011-01-01	-14781000000
2011-04-01	-11261000000
2011-07-01	-10632000000
2011-10-01	-15800000000
2012-01-01	-12064000000
2012-04-01	-13186000000
2012-07-01	-8899000000
2012-10-01	-20100000000
2013-01-01	-24731000000
2013-04-01	-18510000000
2013-07-01	-17126000000
2013-10-01	-20859000000
2014-01-01	-25266000000
2014-04-01	-18789000000
2014-07-01	-19395000000
2014-10-01	-27838000000