Quarter	Dollars
1976-01-01	0
1976-04-01	0
1976-07-01	0
1976-10-01	0
1977-01-01	0
1977-04-01	0
1977-07-01	0
1977-10-01	0
1978-01-01	0
1978-04-01	0
1978-07-01	0
1978-10-01	0
1979-01-01	0
1979-04-01	0
1979-07-01	0
1979-10-01	0
1980-01-01	1100000
1980-04-01	1300000
1980-07-01	800000
1980-10-01	800000
1981-01-01	400000
1981-04-01	900000
1981-07-01	-15000000
1981-10-01	-21700000
1982-01-01	-20400000
1982-04-01	-27800000
1982-07-01	-20800000
1982-10-01	-27600000
1983-01-01	-21500000
1983-04-01	-18200000
1983-07-01	-19600000
1983-10-01	-20300000
1984-01-01	-20400000
1984-04-01	-21000000
1984-07-01	-18200000
1984-10-01	-22400000
1985-01-01	-22200000
1985-04-01	-24400000
1985-07-01	-20000000
1985-10-01	-26100000
1986-01-01	-23500000
1986-04-01	-28700000
1986-07-01	-21900000
1986-10-01	-22100000
1987-01-01	-34500000
1987-04-01	-55600000
1987-07-01	-59100000
1987-10-01	-59900000
1988-01-01	-68100000
1988-04-01	-94800000
1988-07-01	-103200000
1988-10-01	-87300000
1989-01-01	-76000000
1989-04-01	-96100000
1989-07-01	-72800000
1989-10-01	-73500000
1990-01-01	-72300000
1990-04-01	-103200000
1990-07-01	-81200000
1990-10-01	-74500000
1991-01-01	-82100000
1991-04-01	-94800000
1991-07-01	-72400000
1991-10-01	-80200000
1992-01-01	-86700000
1992-04-01	-105600000
1992-07-01	-90500000
1992-10-01	-124200000
1993-01-01	-114300000
1993-04-01	-125500000
1993-07-01	-118000000
1993-10-01	-117300000
1994-01-01	-92100000
1994-04-01	-112000000
1994-07-01	-104600000
1994-10-01	-127800000
1995-01-01	-122900000
1995-04-01	-125800000
1995-07-01	-114200000
1995-10-01	-124700000
1996-01-01	-126900000
1996-04-01	-181200000
1996-07-01	-136300000
1996-10-01	-153200000
1997-01-01	-178000000
1997-04-01	-154800000
1997-07-01	-144600000
1997-10-01	-130200000
1998-01-01	-49500000
1998-04-01	349300000
1998-07-01	-65000000
1998-10-01	-63700000
1999-01-01	-84700000
1999-04-01	-136500000
1999-07-01	-97900000
1999-10-01	-70200000
2000-01-01	-149000000
2000-04-01	-186900000
2000-07-01	-142400000
2000-10-01	-136900000
2001-01-01	-120000000
2001-04-01	-155800000
2001-07-01	-257400000
2001-10-01	-197800000
2002-01-01	-173700000
2002-04-01	-358100000
2002-07-01	-234700000
2002-10-01	-320300000
2003-01-01	-310800000
2003-04-01	-386600000
2003-07-01	-383000000
2003-10-01	-318000000
2004-01-01	-372800000
2004-04-01	-470500000
2004-07-01	-387800000
2004-10-01	-521700000
2005-01-01	-511800000
2005-04-01	-664300000
2005-07-01	-662400000
2005-10-01	-501900000
2006-01-01	-747000000
2006-04-01	-825600000
2006-07-01	-664700000
2006-10-01	-888800000
2007-01-01	-813800000
2007-04-01	-682400000
2007-07-01	-573700000
2007-10-01	-317600000
2008-01-01	-110400000
2008-04-01	-226800000
2008-07-01	-217700000
2008-10-01	664200000