Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	195470000.00000000
1990-04-01	131169999.99999999
1990-07-01	-1613820000.00000000
1990-10-01	-958220000.00000000
1991-01-01	595240000.00000000
1991-04-01	808630000.00000000
1991-07-01	-1068230000.00000000
1991-10-01	-2201310000.00000000
1992-01-01	483340000.00000000
1992-04-01	-713220000.00000000
1992-07-01	-258180000.00000000
1992-10-01	-526120000.00000000
1993-01-01	-48590000.00000000
1993-04-01	-443630000.00000000
1993-07-01	-1635960000.00000000
1993-10-01	-752010000.00000000
1994-01-01	541390000.00000000
1994-04-01	-940590000.00000000
1994-07-01	-2585570000.00000000
1994-10-01	-409920000.00000000
1995-01-01	1108660000.00000000
1995-04-01	-1910150000.00000000
1995-07-01	-188390000.00000000
1995-10-01	-555590000.00000000
1996-01-01	-366290000.00000000
1996-04-01	223190000.00000000
1996-07-01	-1883620000.00000000
1996-10-01	130580000.00000001
1997-01-01	1084700000.00000000
1997-04-01	-2186860000.00000000
1997-07-01	-2256880000.00000000
1997-10-01	-2181740000.00000000
1998-01-01	2280650000.00000000
1998-04-01	-223400000.00000000
1998-07-01	1377500000.00000000
1998-10-01	-1364680000.00000000
1999-01-01	2597480000.00000000
1999-04-01	-5278470000.00000000
1999-07-01	-625010000.00000000
1999-10-01	1686560000.00000000
2000-01-01	1147200000.00000000
2000-04-01	3692570000.00000000
2000-07-01	3259590000.00000000
2000-10-01	763410000.00000000
2001-01-01	-1510380000.00000000
2001-04-01	1245180000.00000000
2001-07-01	1199870000.00000000
2001-10-01	-672650000.00000000
2002-01-01	1967160000.00000000
2002-04-01	195880000.00000000
2002-07-01	1522750000.00000000
2002-10-01	-2424130000.00000000
2003-01-01	330650000.00000000
2003-04-01	-1114310000.00000000
2003-07-01	-829610000.00000000
2003-10-01	155880000.00000000
2004-01-01	-2410290000.00000000
2004-04-01	330240000.00000000
2004-07-01	3591000000.00000000
2004-10-01	3621940000.00000000
2005-01-01	-3571000000.00000000
2005-04-01	4314180000.00000000
2005-07-01	-1769500000.00000000
2005-10-01	622030000.00000000
2006-01-01	-1975160000.00000000
2006-04-01	1300880000.00000000
2006-07-01	1704070000.00000000
2006-10-01	5498860000.00000000
2007-01-01	3077190000.00000000
2007-04-01	2830970000.00000000
2007-07-01	2320790000.00000000
2007-10-01	8627770000.00000000
2008-01-01	12327250000.00000000
2008-04-01	15301920000.00000000
2008-07-01	626790000.00000000
2008-10-01	-2970850000.00000000
2009-01-01	-3886260000.00000000
2009-04-01	11764790000.00000000
2009-07-01	-4262660000.00000000
2009-10-01	-7361260000.00000000
2010-01-01	-10649480000.00000000
2010-04-01	14164340000.00000000
2010-07-01	5974510000.00000000
2010-10-01	-1996620000.00000000
2011-01-01	5144870000.00000000
2011-04-01	1073720000.00000000
2011-07-01	4323430000.00000000
2011-10-01	3019360000.00000000
2012-01-01	-4454860000.00000000
2012-04-01	5988590000.00000000
2012-07-01	2226150000.00000000
2012-10-01	-5348250000.00000000
2013-01-01	-4021820000.00000000
2013-04-01	-658230000.00000000
2013-07-01	-4448030000.00000000
2013-10-01	-4170450000.00000000
2014-01-01	-339880000.00000000