Quarter	US Dollars, Sum Over Component Sub-periods
1992-01-01	-133479999.99999999
1992-04-01	-214750000.00000000
1992-07-01	27190000.00000000
1992-10-01	70810000.00000000
1993-01-01	-301120000.00000000
1993-04-01	31280000.00000000
1993-07-01	132860000.00000001
1993-10-01	76970000.00000000
1994-01-01	-15890000.00000000
1994-04-01	363710000.00000000
1994-07-01	209000000.00000000
1994-10-01	305200000.00000000
1995-01-01	204760000.00000000
1995-04-01	-179330000.00000000
1995-07-01	96980000.00000000
1995-10-01	675610000.00000000
1996-01-01	1090380000.00000000
1996-04-01	63050000.00000000
1996-07-01	3920000.00000000
1996-10-01	1394490000.00000000
1997-01-01	90840000.00000000
1997-04-01	-109530000.00000000
1997-07-01	678720000.00000000
1997-10-01	-25620000.00000000
1998-01-01	137700000.00000000
1998-04-01	1075640000.00000000
1998-07-01	-1102770000.00000000
1998-10-01	1747130000.00000000
1999-01-01	233480000.00000000
1999-04-01	338160000.00000000
1999-07-01	-345010000.00000000
1999-10-01	-524130000.00000000
2000-01-01	638760000.00000000
2000-04-01	-793800000.00000000
2000-07-01	-534980000.00000000
2000-10-01	3616200000.00000000
2001-01-01	436410000.00000000
2001-04-01	743610000.00000000
2001-07-01	576760000.00000000
2001-10-01	1019270000.00000000
2002-01-01	-1364910000.00000000
2002-04-01	-1649790000.00000000
2002-07-01	-1281750000.00000000
2002-10-01	-1138530000.00000000
2003-01-01	483090000.00000000
2003-04-01	-1074550000.00000000
2003-07-01	918540000.00000000
2003-10-01	-372440000.00000000
2004-01-01	-340040000.00000000
2004-04-01	-779790000.00000000
2004-07-01	62360000.00000000
2004-10-01	-3475560000.00000000
2005-01-01	-332860000.00000000
2005-04-01	651910000.00000000
2005-07-01	-1249990000.00000000
2005-10-01	740970000.00000000
2006-01-01	-1338830000.00000000
2006-04-01	-2655800000.00000000
2006-07-01	-1139440000.00000000
2006-10-01	586910000.00000000
2007-01-01	-4449930000.00000000
2007-04-01	4063110000.00000000
2007-07-01	-3081100000.00000000
2007-10-01	-4144340000.00000000
2008-01-01	-7790680000.00000000
2008-04-01	-4842380000.00000000
2008-07-01	-7846930000.00000000
2008-10-01	-2432360000.00000000
2009-01-01	-2353620000.00000000
2009-04-01	5911670000.00000000
2009-07-01	-208840000.00000000
2009-10-01	-3725670000.00000000
2010-01-01	-586720000.00000000
2010-04-01	5206000000.00000000
2010-07-01	-5016880000.00000000
2010-10-01	-4860560000.00000000
2011-01-01	-5332180000.00000000
2011-04-01	2924650000.00000000