Quarter	Billions of US Dollars
1996-10-01	0.5000
1997-04-01	0.2435
1997-07-01	0.0418
1997-10-01	0.0177
1998-01-01	0.0146
1998-04-01	0.3593
1998-07-01	0.0375
1998-10-01	0.0307
1999-01-01	0.0373
1999-04-01	2.5351
1999-07-01	0.4912
1999-10-01	0.3558
2000-01-01	0.0944
2000-04-01	0.1901
2000-07-01	0.7149
2000-10-01	0.2423
2001-01-01	0.9034
2001-04-01	0.9041
2001-07-01	1.0003
2001-10-01	3.2024
2002-01-01	-0.1182
2002-04-01	0.4124
2002-07-01	0.5366
2002-10-01	1.3885
2003-01-01	0.0194
2003-04-01	-0.3986
2003-07-01	2.3400
2003-10-01	3.5551
2004-01-01	-0.5085
2004-04-01	1.3436
2004-07-01	-0.2622
2004-10-01	2.2494
2005-01-01	1.1832
2005-04-01	2.2060
2005-07-01	2.5935
2005-10-01	2.1425
2006-01-01	-1.6361
2006-04-01	1.3144
2006-07-01	5.8596
2006-10-01	0.2844
2007-01-01	0.9846
2007-04-01	-0.0595
2007-07-01	4.0079
2007-10-01	3.6557
2008-01-01	0.9165
2008-04-01	3.1083
2008-07-01	1.0472
2008-10-01	8.6122
2009-01-01	10.9303
2009-04-01	1.4229
2009-07-01	2.3421
2009-10-01	3.0816
2010-01-01	3.3812
2010-04-01	1.2740
2010-07-01	-0.0222
2010-10-01	-0.2476
2011-01-01	0.0519
2011-04-01	-0.9583
2011-07-01	-0.1462
2011-10-01	0.3101
2012-01-01	-3.8387
2012-04-01	-8.4260
2012-07-01	-3.4188
2012-10-01	0.9103
2013-01-01	-0.5017
2013-04-01	-0.2592
2013-07-01	-0.7386
2013-10-01	1.2577
2014-01-01	-1.3131
2014-04-01	0.4563
2014-07-01	0.1386
2014-10-01	-0.1862
2015-01-01	-0.8660
2015-04-01	0.3599