Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	8000000
1980-04-01	12000000
1980-07-01	6000000
1980-10-01	25000000
1981-01-01	27000000
1981-04-01	34000000
1981-07-01	20000000
1981-10-01	34000000
1982-01-01	-1000000
1982-04-01	11000000
1982-07-01	1000000
1982-10-01	10000000
1983-01-01	12000000
1983-04-01	22000000
1983-07-01	25000000
1983-10-01	20000000
1984-01-01	22000000
1984-04-01	16000000
1984-07-01	25000000
1984-10-01	26000000
1985-01-01	21000000
1985-04-01	13000000
1985-07-01	42000000
1985-10-01	36000000
1986-01-01	28000000
1986-04-01	7000000
1986-07-01	52000000
1986-10-01	56000000
1987-01-01	29000000
1987-04-01	45000000
1987-07-01	56000000
1987-10-01	95000000
1988-01-01	65000000
1988-04-01	30000000
1988-07-01	136000000
1988-10-01	36000000
1989-01-01	21000000
1989-04-01	18000000
1989-07-01	88000000
1989-10-01	33000000
1990-01-01	35000000
1990-04-01	45000000
1990-07-01	47000000
1990-10-01	23000000
1991-01-01	20000000
1991-04-01	12000000
1991-07-01	73000000
1991-10-01	241000000
1992-01-01	33000000
1992-04-01	270000000
1992-07-01	141000000
1992-10-01	145000000
1993-01-01	21000000
1993-04-01	120000000
1993-07-01	110000000
1993-10-01	354000000
1994-01-01	52000000
1994-04-01	63000000
1994-07-01	131000000
1994-10-01	195000000
1995-01-01	344000000
1995-04-01	607000000
1995-07-01	181000000
1995-10-01	219000000
1996-01-01	130000000
1996-04-01	621000000
1996-07-01	222000000
1996-10-01	425000000
1997-01-01	584000000
1997-04-01	241000000
1997-07-01	377000000
1997-10-01	433000000
1998-01-01	402000000
1998-04-01	165000000
1998-07-01	485000000
1998-10-01	686000000
1999-01-01	951000000
1999-04-01	1479000000
1999-07-01	948000000
1999-10-01	773000000
2000-01-01	1332000000
2000-04-01	2206000000
2000-07-01	2901000000
2000-10-01	1609000000
2001-01-01	364000000
2001-04-01	796000000
2001-07-01	148000000
2001-10-01	464000000
2002-01-01	389000000
2002-04-01	572000000
2002-07-01	472000000
2002-10-01	149000000
2003-01-01	1005000000
2003-04-01	809000000
2003-07-01	317000000
2003-10-01	1191000000
2004-01-01	639000000
2004-04-01	233000000
2004-07-01	720000000
2004-10-01	1356000000
2005-01-01	1822000000
2005-04-01	1692000000
2005-07-01	-58000000
2005-10-01	1362000000
2006-01-01	3289000000
2006-04-01	1976000000
2006-07-01	6366000000
2006-10-01	3665000000
2007-01-01	3326000000
2007-04-01	793000000
2007-07-01	1951000000
2007-10-01	2729000000
2008-01-01	2542000000
2008-04-01	2902000000
2008-07-01	3024000000
2008-10-01	2406000000
2009-01-01	1359000000
2009-04-01	335000000
2009-07-01	1756000000
2009-10-01	988000000
2010-01-01	1406000000
2010-04-01	-597000000
2010-07-01	1489000000
2010-10-01	3211000000
2011-01-01	2289000000
2011-04-01	1228000000
2011-07-01	2379000000
2011-10-01	3198000000
2012-01-01	969000000
2012-04-01	1975000000
2012-07-01	2561000000
2012-10-01	2551000000
2013-01-01	3064000000
2013-04-01	4953000000
2013-07-01	2503000000
2013-10-01	1285000000
2014-01-01	2879000000
2014-04-01	1625000000
2014-07-01	1687000000
2014-10-01	242000000