Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	1000000
1980-04-01	1000000
1980-07-01	1000000
1980-10-01	1000000
1981-01-01	0
1981-04-01	1000000
1981-07-01	-15000000
1981-10-01	-22000000
1982-01-01	-20000000
1982-04-01	-28000000
1982-07-01	-21000000
1982-10-01	-28000000
1983-01-01	-22000000
1983-04-01	-18000000
1983-07-01	-20000000
1983-10-01	-20000000
1984-01-01	-20000000
1984-04-01	-21000000
1984-07-01	-18000000
1984-10-01	-22000000
1985-01-01	-22000000
1985-04-01	-24000000
1985-07-01	-20000000
1985-10-01	-26000000
1986-01-01	-24000000
1986-04-01	-29000000
1986-07-01	-22000000
1986-10-01	-22000000
1987-01-01	-35000000
1987-04-01	-56000000
1987-07-01	-59000000
1987-10-01	-60000000
1988-01-01	-68000000
1988-04-01	-95000000
1988-07-01	-103000000
1988-10-01	-87000000
1989-01-01	-76000000
1989-04-01	-96000000
1989-07-01	-73000000
1989-10-01	-74000000
1990-01-01	-72000000
1990-04-01	-103000000
1990-07-01	-81000000
1990-10-01	-75000000
1991-01-01	-82000000
1991-04-01	-95000000
1991-07-01	-72000000
1991-10-01	-80000000
1992-01-01	-87000000
1992-04-01	-106000000
1992-07-01	-91000000
1992-10-01	-124000000
1993-01-01	-114000000
1993-04-01	-126000000
1993-07-01	-118000000
1993-10-01	-117000000
1994-01-01	-92000000
1994-04-01	-112000000
1994-07-01	-105000000
1994-10-01	-128000000
1995-01-01	-123000000
1995-04-01	-126000000
1995-07-01	-114000000
1995-10-01	-125000000
1996-01-01	-127000000
1996-04-01	-181000000
1996-07-01	-136000000
1996-10-01	-153000000
1997-01-01	-178000000
1997-04-01	-155000000
1997-07-01	-145000000
1997-10-01	-130000000
1998-01-01	-50000000
1998-04-01	349000000
1998-07-01	-65000000
1998-10-01	-64000000
1999-01-01	-85000000
1999-04-01	-137000000
1999-07-01	-98000000
1999-10-01	-70000000
2000-01-01	-149000000
2000-04-01	-187000000
2000-07-01	-142000000
2000-10-01	-137000000
2001-01-01	-120000000
2001-04-01	-156000000
2001-07-01	-257000000
2001-10-01	-198000000
2002-01-01	-174000000
2002-04-01	-358000000
2002-07-01	-235000000
2002-10-01	-320000000
2003-01-01	-311000000
2003-04-01	-387000000
2003-07-01	-383000000
2003-10-01	-318000000
2004-01-01	-373000000
2004-04-01	-471000000
2004-07-01	-388000000
2004-10-01	-522000000
2005-01-01	-512000000
2005-04-01	-664000000
2005-07-01	-662000000
2005-10-01	-502000000
2006-01-01	-747000000
2006-04-01	-826000000
2006-07-01	-665000000
2006-10-01	-889000000
2007-01-01	-814000000
2007-04-01	-682000000
2007-07-01	-574000000
2007-10-01	-318000000
2008-01-01	-110000000
2008-04-01	-227000000
2008-07-01	-218000000
2008-10-01	664000000
2009-01-01	382000000
2009-04-01	26000000
2009-07-01	-104000000
2009-10-01	-15000000
2010-01-01	-180000000
2010-04-01	20000000
2010-07-01	-8000000
2010-10-01	-50000000
2011-01-01	-195000000
2011-04-01	-152000000
2011-07-01	119000000
2011-10-01	204000000
2012-01-01	167000000
2012-04-01	285000000
2012-07-01	79000000
2012-10-01	13000000
2013-01-01	152000000
2013-04-01	-60000000
2013-07-01	-119000000
2013-10-01	-384000000