Quarter	Billions of US Dollars
1993-07-01	0.1938
1993-10-01	0.0586
1994-01-01	0.1928
1994-04-01	0.2519
1994-07-01	0.2673
1994-10-01	0.0101
1995-01-01	0.3970
1995-04-01	0.2717
1995-07-01	0.3718
1995-10-01	0.1286
1996-01-01	0.8090
1996-04-01	0.6099
1996-07-01	0.6862
1996-10-01	0.2496
1997-01-01	1.6755
1997-04-01	1.1777
1997-07-01	0.9860
1997-10-01	0.2462
1998-01-01	1.4158
1998-04-01	1.3131
1998-07-01	1.5297
1998-10-01	0.7908
1999-01-01	1.5912
1999-04-01	1.2553
1999-07-01	1.3291
1999-10-01	0.2979
2000-01-01	1.9250
2000-04-01	1.6163
2000-07-01	3.9981
2000-10-01	1.0974
2001-01-01	1.9124
2001-04-01	1.5421
2001-07-01	1.7832
2001-10-01	0.9422
2002-01-01	1.3869
2002-04-01	1.2716
2002-07-01	1.5506
2002-10-01	1.4458
2003-01-01	1.4370
2003-04-01	1.7936
2003-07-01	0.8159
2003-10-01	1.3445
2004-01-01	1.2515
2004-04-01	0.5252
2004-07-01	0.7652
2004-10-01	3.4521
2005-01-01	1.7881
2005-04-01	2.6577
2005-07-01	2.3614
2005-10-01	1.7451
2006-01-01	3.2168
2006-04-01	3.0138
2006-07-01	2.7005
2006-10-01	1.5669
2007-01-01	3.7482
2007-04-01	3.1307
2007-07-01	4.6984
2007-10-01	8.9211
2008-01-01	12.3903
2008-04-01	6.7050
2008-07-01	5.9144
2008-10-01	8.8017
2009-01-01	9.1554
2009-04-01	5.7934
2009-07-01	5.8616
2009-10-01	4.1964
2010-01-01	8.4524
2010-04-01	4.9111
2010-07-01	5.7561
2010-10-01	1.8665
2011-01-01	6.7998
2011-04-01	6.3336
2011-07-01	5.1677
2011-10-01	11.6198
2012-01-01	15.5861
2012-04-01	14.5690
2012-07-01	14.3519
2012-10-01	4.8247
2013-01-01	3.8402
2013-04-01	4.3525
2013-07-01	3.3273
2013-10-01	7.7478
2014-01-01	5.1867
2014-04-01	4.4114
2014-07-01	3.8442
2014-10-01	2.9542
2015-01-01	2.0685
2015-04-01	2.6220