Quarter	Billions of US Dollars
1993-07-01	-14.1820
1993-10-01	-4.6159
1994-01-01	-1.1682
1994-04-01	-4.4645
1994-07-01	-7.2934
1994-10-01	-9.5275
1995-01-01	-5.9403
1995-04-01	-7.2746
1995-07-01	-8.7711
1995-10-01	-1.7087
1996-01-01	1.0025
1996-04-01	0.7086
1996-07-01	-1.9405
1996-10-01	-2.8498
1997-01-01	-2.4139
1997-04-01	0.5704
1997-07-01	-2.6535
1997-10-01	-6.2493
1998-01-01	-7.4840
1998-04-01	0.2519
1998-07-01	-1.3621
1998-10-01	0.5731
1999-01-01	0.5285
1999-04-01	4.6383
1999-07-01	3.2891
1999-10-01	2.8291
2000-01-01	-0.9187
2000-04-01	2.0085
2000-07-01	0.6871
2000-10-01	4.3974
2001-01-01	3.5395
2001-04-01	4.4472
2001-07-01	1.5907
2001-10-01	6.1242
2002-01-01	2.1438
2002-04-01	4.5349
2002-07-01	0.2414
2002-10-01	-0.5948
2003-01-01	-5.4539
2003-04-01	0.1321
2003-07-01	1.9456
2003-10-01	8.2611
2004-01-01	-1.1656
2004-04-01	6.6363
2004-07-01	-2.0005
2004-10-01	-3.2050
2005-01-01	-4.3153
2005-04-01	-3.7465
2005-07-01	-0.4688
2005-10-01	-0.9546
2006-01-01	0.9938
2006-04-01	1.2699
2006-07-01	-1.3864
2006-10-01	2.6196
2007-01-01	1.0569
2007-04-01	3.5445
2007-07-01	3.6573
2007-10-01	5.4225
2008-01-01	4.4369
2008-04-01	0.1425
2008-07-01	1.8056
2008-10-01	-5.5396
2009-01-01	-2.4939
2009-04-01	5.4637
2009-07-01	4.5610
2009-10-01	6.0575
2010-01-01	0.9220
2010-04-01	3.8341
2010-07-01	4.3195
2010-10-01	4.3415
2011-01-01	1.7998
2011-04-01	-2.1803
2011-07-01	-5.3939
2011-10-01	-0.9998
2012-01-01	-0.2534
2012-04-01	-3.4909
2012-07-01	1.8334
2012-10-01	2.5007
2013-01-01	8.4391
2013-04-01	7.2305
2013-07-01	5.5470
2013-10-01	25.9143
2014-01-01	9.5766
2014-04-01	14.4558
2014-07-01	13.4433
2014-10-01	2.8765
2015-01-01	4.1278
2015-04-01	16.0817