Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	165000000
1994-04-01	-146000000
1994-07-01	-50000000
1994-10-01	52000000
1995-01-01	-1818000000
1995-04-01	-34000000
1995-07-01	-505000000
1995-10-01	-87000000
1996-01-01	1043000000
1996-04-01	1703000000
1996-07-01	-96000000
1996-10-01	1761000000
1997-01-01	6089000000
1997-04-01	8020000000
1997-07-01	2042000000
1997-10-01	29624000000
1998-01-01	4238000000
1998-04-01	3900000000
1998-07-01	928000000
1998-10-01	-448000000
1999-01-01	104000000
1999-04-01	-574000000
1999-07-01	-66000000
1999-10-01	-410000000
2000-01-01	621000000
2000-04-01	-1521000000
2000-07-01	-8864000000
2000-10-01	-570000000
2001-01-01	193000000
2001-04-01	-14000000
2001-07-01	-301000000
2001-10-01	-531000000
2002-01-01	589000000
2002-04-01	-140000000
2002-07-01	663000000
2002-10-01	1848000000
2003-01-01	-3209000000
2003-04-01	-2670000000
2003-07-01	-2236000000
2003-10-01	3606000000
2004-01-01	2479000000
2004-04-01	-1627000000
2004-07-01	697000000
2004-10-01	-926000000
2005-01-01	-3203000000
2005-04-01	2074000000
2005-07-01	-3712000000
2005-10-01	-6537000000
2006-01-01	-4731000000
2006-04-01	3683000000
2006-07-01	14933000000
2006-10-01	1817000000
2007-01-01	-1086000000
2007-04-01	5796000000
2007-07-01	-3551000000
2007-10-01	4394000000
2008-01-01	-5080000000
2008-04-01	399000000
2008-07-01	-9659000000
2008-10-01	-21097000000
2009-01-01	-9897000000
2009-04-01	-384000000
2009-07-01	1663000000
2009-10-01	6439000000
2010-01-01	2326000000
2010-04-01	6530000000
2010-07-01	439000000
2010-10-01	-10955000000
2011-01-01	5562000000
2011-04-01	-6203000000
2011-07-01	-12011000000
2011-10-01	-5205000000
2012-01-01	7001000000
2012-04-01	145000000