Quarter US Dollars, Sum Over Component Sub-periods, Seasonally Adjusted 1998-01-01 -3800000000 1998-04-01 -6800000000 1998-07-01 -5700000000 1998-10-01 -300000000 1999-01-01 -6000000000 1999-04-01 -1500000000 1999-07-01 -3200000000 1999-10-01 -3800000000 2000-01-01 -5200000000 2000-04-01 -3700000000 2000-07-01 -3600000000 2000-10-01 -2200000000 2001-01-01 -3300000000 2001-04-01 -5000000000 2001-07-01 -3800000000 2001-10-01 -7000000000 2002-01-01 -3800000000 2002-04-01 -4600000000 2002-07-01 -3900000000 2002-10-01 -2700000000 2003-01-01 -3300000000 2003-04-01 -300000000 2003-07-01 -2700000000 2003-10-01 -4000000000 2004-01-01 -100000000 2004-04-01 -2300000000 2004-07-01 -1000000000 2004-10-01 -1700000000 2005-01-01 -4800000000 2005-04-01 -3900000000 2005-07-01 -4500000000 2005-10-01 -2900000000 2006-01-01 -2600000000 2006-04-01 -3600000000 2006-07-01 1000000000 2006-10-01 100000000 2007-01-01 800000000 2007-04-01 3000000000 2007-07-01 8000000000 2007-10-01 -3700000000 2008-01-01 14500000000 2008-04-01 13400000000 2008-07-01 6900000000 2008-10-01 -6100000000 2009-01-01 -3900000000 2009-04-01 -3600000000 2009-07-01 -4100000000 2009-10-01 3000000000 2010-01-01 -5400000000 2010-04-01 -15200000000 2010-07-01 3600000000 2010-10-01 -9000000000 2011-01-01 -16400000000 2011-04-01 -13300000000 2011-07-01 -22700000000 2011-10-01 -17800000000 2012-01-01 17900000000 2012-04-01 -12600000000 2012-07-01 2700000000 2012-10-01 -50100000000