Quarter	US Dollars, Sum Over Component Sub-periods
1988-01-01	-617690000.0000000
1988-04-01	836200000.0000000
1988-07-01	1378010000.0000000
1988-10-01	-439100000.0000000
1989-01-01	-563700000.0000000
1989-04-01	1084000000.0000000
1989-07-01	1864180000.0000000
1989-10-01	-188790000.0000000
1990-01-01	-412050000.0000000
1990-04-01	1138460000.0000000
1990-07-01	1876540000.0000000
1990-10-01	1027810000.0000000
1991-01-01	327030000.0000000
1991-04-01	1501750000.0000000
1991-07-01	579920000.0000000
1991-10-01	781630000.0000000
1992-01-01	-46060000.0000000
1992-04-01	2256330000.0000000
1992-07-01	-1162940000.0000000
1992-10-01	-317290000.0000000
1993-01-01	-1089340000.0000000
1993-04-01	1791120000.0000000
1993-07-01	1274850000.0000000
1993-10-01	1316910000.0000000
1994-01-01	-629710000.0000000
1994-04-01	1222210000.0000000
1994-07-01	622180000.0000000
1994-10-01	761500000.0000000
1995-01-01	-645910000.0000000
1995-04-01	1139860000.0000000
1995-07-01	506240000.0000000
1995-10-01	487090000.0000000
1996-01-01	-701310000.0000000
1996-04-01	1736720000.0000000
1996-07-01	1438320000.0000000
1996-10-01	-414750000.0000000
1997-01-01	-211500000.0000000
1997-04-01	941470000.0000000
1997-07-01	1476180000.0000000
1997-10-01	-242200000.0000000
1998-01-01	-521240000.0000000
1998-04-01	2185150000.0000000
1998-07-01	3066710000.0000000
1998-10-01	-813880000.0000000
1999-01-01	-1657940000.0000000
1999-04-01	1611540000.0000000
1999-07-01	1733450000.0000000
1999-10-01	-619620000.0000000
2000-01-01	-1588510000.0000000
2000-04-01	1024470000.0000000
2000-07-01	1878760000.0000000
2000-10-01	-369530000.0000000
2001-01-01	-1542670000.0000000
2001-04-01	1350910000.0000000
2001-07-01	1492260000.0000000
2001-10-01	-1353350000.0000000
2002-01-01	-2474720000.0000000
2002-04-01	136100000.0000000
2002-07-01	1352570000.0000000
2002-10-01	-1750820000.0000000
2003-01-01	-3435280000.0000000
2003-04-01	247620000.0000000
2003-07-01	1918120000.0000000
2003-10-01	-1280330000.0000000
2004-01-01	-2414040000.0000000
2004-04-01	2538250000.0000000
2004-07-01	2429460000.0000000
2004-10-01	-1255240000.0000000
2005-01-01	-3209310000.0000000
2005-04-01	651910000.0000000
2005-07-01	1989010000.0000000
2005-10-01	-280690000.0000000
2006-01-01	-1756230000.0000000
2006-04-01	2144250000.0000000
2006-07-01	280400000.0000000
2006-10-01	-2232820000.0000000
2007-01-01	-4444680000.0000000
2007-04-01	-1499060000.0000000
2007-07-01	-1219510000.0000000
2007-10-01	-2503990000.0000000
2008-01-01	-6361390000.0000000
2008-04-01	-2318090000.0000000
2008-07-01	-662780000.0000000
2008-10-01	-3196750000.0000000
2009-01-01	-5759100000.0000000
2009-04-01	-810000000.0000000
2009-07-01	-682250000.0000000
2009-10-01	-2699820000.0000000
2010-01-01	-4625360000.0000000
2010-04-01	-395620000.0000000
2010-07-01	-1138260000.0000000
2010-10-01	-3939440000.0000000
2011-01-01	-4711980000.0000000
2011-04-01	-510180000.0000000
2011-07-01	93270000.0000000
2011-10-01	-2514490000.0000000
2012-01-01	-2738440000.0000000
2012-04-01	2078540000.0000000
2012-07-01	2084020000.0000000
2012-10-01	-404210000.0000000
2013-01-01	-2203780000.0000000
2013-04-01	3088980000.0000000
2013-07-01	3598960000.0000000
2013-10-01	-1073940000.0000000
2014-01-01	-2132989999.9999998