Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	15900000.00000000
1980-04-01	52800000.00000000
1980-07-01	-74600000
1980-10-01	11900000.00000000
1981-01-01	30200000.00000000
1981-04-01	30500000.00000000
1981-07-01	29000000.00000000
1981-10-01	12300000.00000000
1982-01-01	8600000.00000000
1982-04-01	35000000.00000000
1982-07-01	26300000.00000000
1982-10-01	-900000.00000000
1983-01-01	14400000.00000000
1983-04-01	10900000.00000000
1983-07-01	21800000.00000000
1983-10-01	21400000.00000000
1984-01-01	-23800000
1984-04-01	40300000.00000000
1984-07-01	59700000.00000000
1984-10-01	34000000.00000000
1985-01-01	50400000.00000000
1985-04-01	15600000.00000000
1985-07-01	73800000.00000000
1985-10-01	93700000.00000000
1986-01-01	59700000.00000000
1986-04-01	44800000.00000000
1986-07-01	138100000
1986-10-01	217000000
1987-01-01	87900000.00000000
1987-04-01	208100000
1987-07-01	136200000
1987-10-01	184100000
1988-01-01	145100000
1988-04-01	268000000
1988-07-01	282500000
1988-10-01	318500000
1989-01-01	253500000
1989-04-01	278000000
1989-07-01	339400000
1989-10-01	246900000
1990-01-01	253700000
1990-04-01	237300000
1990-07-01	88200000.00000000
1990-10-01	209300000
1991-01-01	140800000
1991-04-01	252300000
1991-07-01	580200000
1991-10-01	206500000
1992-01-01	236200000
1992-04-01	161100000
1992-07-01	254100000
1992-10-01	76900000.00000000
1993-01-01	63700000.00000000
1993-04-01	285600000
1993-07-01	91300000.00000000
1993-10-01	147500000
1994-01-01	186400000
1994-04-01	147000000
1994-07-01	382800000
1994-10-01	92800000.00000000
1995-01-01	260000000
1995-04-01	503400000
1995-07-01	413500000
1995-10-01	598900000
1996-01-01	405400000
1996-04-01	679900000
1996-07-01	255600000
1996-10-01	984500000
1997-01-01	624000000
1997-04-01	790500000
1997-07-01	610800000
1997-10-01	818900000
1998-01-01	505200000
1998-04-01	1166100000.00000000
1998-07-01	2161700000.00000000
1998-10-01	1579300000.00000000
1999-01-01	1426400000.00000000
1999-04-01	1810200000.00000000
1999-07-01	2730500000.00000000
1999-10-01	3366300000.00000000
2000-01-01	1504900000.00000000
2000-04-01	2945200000.00000000
2000-07-01	2026400000.00000000
2000-10-01	2806900000.00000000
2001-01-01	902300000
2001-04-01	1507800000.00000000
2001-07-01	795300000
2001-10-01	322300000
2002-01-01	689400000
2002-04-01	129699999.99999999
2002-07-01	359800000
2002-10-01	1213400000.00000000
2003-01-01	171300000
2003-04-01	510500000
2003-07-01	611200000
2003-10-01	2232500000.00000000
2004-01-01	416700000
2004-04-01	3873200000.00000000
2004-07-01	1583500000.00000000
2004-10-01	3372800000.00000000
2005-01-01	806500000
2005-04-01	2357300000.00000000
2005-07-01	1090600000.00000000
2005-10-01	2054100000.00000000
2006-01-01	580700000
2006-04-01	1682100000.00000000
2006-07-01	-1490400000.00000000
2006-10-01	2814000000.00000000
2007-01-01	1323600000.00000000
2007-04-01	116300000
2007-07-01	-83500000
2007-10-01	428000000
2008-01-01	-412200000.00000000
2008-04-01	132199999.99999999
2008-07-01	1633500000.00000000
2008-10-01	1957200000.00000000
2009-01-01	144700000
2009-04-01	785400000
2009-07-01	-83800000
2009-10-01	1402700000.00000000
2010-01-01	770300000
2010-04-01	442700000
2010-07-01	-337900000.00000000
2010-10-01	219000000
2011-01-01	810100000
2011-04-01	917200000
2011-07-01	1128300000.00000000
2011-10-01	1980900000.00000000
2012-01-01	-947700000.00000000
2012-04-01	2940700000.00000000
2012-07-01	667100000
2012-10-01	2968800000.00000000
2013-01-01	754200000
2013-04-01	2988000000.00000000
2013-07-01	1464200000.00000000
2013-10-01	1596100000.00000000