Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	-1130000000
1994-04-01	-2339000000
1994-07-01	-1382000000
1994-10-01	-2160000000
1995-01-01	-1215000000
1995-04-01	-2275000000
1995-07-01	-3548000000
1995-10-01	-2600000000
1996-01-01	-1308000000
1996-04-01	-1474000000
1996-07-01	-1101000000
1996-10-01	-1501000000
1997-01-01	-1234000000
1997-04-01	-1316000000
1997-07-01	-1658000000
1997-10-01	-1738000000
1998-01-01	-1199000000
1998-04-01	-1461000000
1998-07-01	-869000000
1998-10-01	-555000000
1999-01-01	-912000000
1999-04-01	-959000000
1999-07-01	-1147000000
1999-10-01	-1265000000
2000-01-01	-1382000000
2000-04-01	-1643000000
2000-07-01	-2113000000
2000-10-01	-1528000000
2001-01-01	-1756000000
2001-04-01	-2362000000
2001-07-01	-2998000000
2001-10-01	-2014000000
2002-01-01	-2048000000
2002-04-01	-2413000000
2002-07-01	-2950000000
2002-10-01	-2476000000
2003-01-01	-2019000000
2003-04-01	-2153000000
2003-07-01	-3519000000
2003-10-01	-3202000000
2004-01-01	-2359000000
2004-04-01	-2908000000
2004-07-01	-4217000000
2004-10-01	-3209000000
2005-01-01	-2324000000
2005-04-01	-2952000000
2005-07-01	-4719000000
2005-10-01	-3780000000
2006-01-01	-2327000000
2006-04-01	-3023000000
2006-07-01	-4417000000
2006-10-01	-3846000000
2007-01-01	-3010000000
2007-04-01	-4385000000
2007-07-01	-6012000000
2007-10-01	-5480000000
2008-01-01	-4450000000
2008-04-01	-6168000000
2008-07-01	-8408000000
2008-10-01	-5263000000
2009-01-01	-3838000000
2009-04-01	-4065000000
2009-07-01	-6383000000
2009-10-01	-5550000000
2010-01-01	-4818000000
2010-04-01	-6142000000
2010-07-01	-9568000000
2010-10-01	-8174000000
2011-01-01	-6377000000
2011-04-01	-8321000000
2011-07-01	-11490000000
2011-10-01	-9760000000
2012-01-01	-7277000000
2012-04-01	-8603000000