Quarterly 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