Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	411000000
1995-04-01	-218000000
1995-07-01	-541000000
1995-10-01	249000000
1996-01-01	191000000
1996-04-01	251000000
1996-07-01	-405000000
1996-10-01	202000000
1997-01-01	820000000
1997-04-01	128000000
1997-07-01	-198000000
1997-10-01	573000000
1998-01-01	316000000
1998-04-01	15000000
1998-07-01	-174000000
1998-10-01	671000000
1999-01-01	493000000
1999-04-01	373000000
1999-07-01	-80000000
1999-10-01	608000000
2000-01-01	678000000
2000-04-01	456000000
2000-07-01	-84000000
2000-10-01	1016000000
2001-01-01	950000000
2001-04-01	336000000
2001-07-01	207000000
2001-10-01	318000000
2002-01-01	808000000
2002-04-01	897000000
2002-07-01	-663000000
2002-10-01	919000000
2003-01-01	764000000
2003-04-01	791000000
2003-07-01	-1102000000
2003-10-01	1402000000
2004-01-01	1001000000
2004-04-01	535000000
2004-07-01	427000000
2004-10-01	1719000000
2005-01-01	1617000000
2005-04-01	1144000000
2005-07-01	-237000000
2005-10-01	2442000000
2006-01-01	1955000000
2006-04-01	970000000
2006-07-01	612000000
2006-10-01	2733000000
2007-01-01	2002000000
2007-04-01	1988000000
2007-07-01	907000000
2007-10-01	1178000000
2008-01-01	3879000000
2008-04-01	2912000000
2008-07-01	-967000000
2008-10-01	1165000000
2009-01-01	2832000000
2009-04-01	2882000000
2009-07-01	953000000
2009-10-01	5690000000
2010-01-01	2923000000
2010-04-01	2896000000
2010-07-01	1857000000
2010-10-01	3149000000
2011-01-01	2751000000
2011-04-01	2432000000
2011-07-01	731000000
2011-10-01	3337000000
2012-01-01	3149000000
2012-04-01	2955000000
2012-07-01	743000000
2012-10-01	3071000000
2013-01-01	3444000000
2013-04-01	2372000000
2013-07-01	987000000
2013-10-01	3712000000
2014-01-01	3846000000