Quarterly US Dollars, Sum Over Component Sub-periods
1997-01-01 744000000
1997-04-01 781000000
1997-07-01 572000000
1997-10-01 391000000
1998-01-01 1329000000
1998-04-01 463000000
1998-07-01 -520000000
1998-10-01 514000000
1999-01-01 1248000000
1999-04-01 854000000
1999-07-01 724000000
1999-10-01 659000000
2000-01-01 -83000000
2000-04-01 916000000
2000-07-01 199000000
2000-10-01 -327000000
2001-01-01 161000000
2001-04-01 489000000
2001-07-01 59000000
2001-10-01 1552000000
2002-01-01 -315000000
2002-04-01 312000000
2002-07-01 -716000000
2002-10-01 -275000000
2003-01-01 247000000
2003-04-01 137000000
2003-07-01 -891000000
2003-10-01 -1465000000
2004-01-01 -1070000000
2004-04-01 1084000000
2004-07-01 677000000
2004-10-01 4180000000
2005-01-01 -1135000000
2005-04-01 692000000
2005-07-01 597000000
2005-10-01 -952000000
2006-01-01 -551000000
2006-04-01 400000000
2006-07-01 2387000000
2006-10-01 -1975000000
2007-01-01 -507000000
2007-04-01 -1860000000
2007-07-01 279000000
2007-10-01 -1212000000
2008-01-01 -1394000000
2008-04-01 -2522000000
2008-07-01 -2030000000
2008-10-01 -6215000000
2009-01-01 -2956000000
2009-04-01 405000000
2009-07-01 -3220000000
2009-10-01 -4274000000
2010-01-01 -2997000000
2010-04-01 32000000
2010-07-01 -3025000000
2010-10-01 -4472000000
2011-01-01 -4406000000
2011-04-01 -2692000000
2011-07-01 -1303000000
2011-10-01 -1517000000
2012-01-01 -2099000000
2012-04-01 271000000
2012-07-01 -2075000000
2012-10-01 -164000000
2013-01-01 -2002000000
2013-04-01 -1636000000
2013-07-01 -3224000000
2013-10-01 -1322000000
2014-01-01 -2482000000