Quarter	Dollars
1994-01-01	391700000
1994-04-01	508700000
1994-07-01	773000000
1994-10-01	736700000
1995-01-01	-21800000
1995-04-01	-72800000
1995-07-01	-172600000
1995-10-01	-79900000
1996-01-01	-218700000
1996-04-01	-65800000
1996-07-01	-79500000
1996-10-01	-99270000
1997-01-01	-114410000
1997-04-01	-317150000
1997-07-01	-186370000
1997-10-01	-178790000
1998-01-01	-91930000
1998-04-01	-188970000
1998-07-01	15070000
1998-10-01	-116410000
1999-01-01	-29550000
1999-04-01	-95350000
1999-07-01	-124740000
1999-10-01	-78310000
2000-01-01	3530000
2000-04-01	-39190000
2000-07-01	10749980000
2000-10-01	-38510000
2001-01-01	-105155000
2001-04-01	-153795000
2001-07-01	-10032027400
2001-10-01	913051000
2002-01-01	-62340000
2002-04-01	-1171895300
2002-07-01	-5804370200
2002-10-01	-5357333200
2003-01-01	39950000
2003-04-01	-560062000
2003-07-01	-118716000
2003-10-01	-354324800
2004-01-01	-745152000
2004-04-01	-190636100
2004-07-01	-180140000
2004-10-01	-507759200
2005-01-01	-108670400
2005-04-01	-1231956800
2005-07-01	-10786476700
2005-10-01	-636954200
2006-01-01	20610000
2006-04-01	72492500
2006-07-01	-36380000
2006-10-01	134120000
2007-01-01	-875200000
2007-04-01	155070000
2007-07-01	88960000
2007-10-01	-9592693200
2008-01-01	-54635000
2008-04-01	227146000
2008-07-01	159199000
2008-10-01	164168500