Quarter	Billions of US Dollars
1993-07-01	0.4613
1993-10-01	0.4538
1994-01-01	0.5188
1994-04-01	0.4809
1994-07-01	0.9403
1994-10-01	0.6532
1995-01-01	0.3398
1995-04-01	2.6538
1995-07-01	2.7312
1995-10-01	2.7259
1996-01-01	2.9239
1996-04-01	1.0736
1996-07-01	7.3352
1996-10-01	7.4705
1997-01-01	7.2855
1997-04-01	7.2944
1997-07-01	1.1906
1997-10-01	1.1566
1998-01-01	0.9470
1998-04-01	0.8980
1998-07-01	0.1969
1998-10-01	0.0272
1999-01-01	1.0270
1999-04-01	2.5769
1999-07-01	2.7554
1999-10-01	4.7973
2000-01-01	3.7852
2000-04-01	7.6743
2000-07-01	7.3769
2000-10-01	12.0692
2001-01-01	11.3780
2001-04-01	9.3550
2001-07-01	10.4194
2001-10-01	4.1327
2002-01-01	13.9112
2002-04-01	16.7981
2002-07-01	18.3422
2002-10-01	18.7928
2003-01-01	9.0830
2003-04-01	5.4718
2003-07-01	4.2393
2003-10-01	4.6095
2004-01-01	4.1008
2004-04-01	3.6771
2004-07-01	1.9682
2004-10-01	1.7801
2005-01-01	4.5045
2005-04-01	3.9356
2005-07-01	5.2153
2005-10-01	5.1887
2006-01-01	4.4668
2006-04-01	3.6574
2006-07-01	2.3278
2006-10-01	2.3086
2007-01-01	2.4152
2007-04-01	2.7174
2007-07-01	3.2562
2007-10-01	4.1922
2008-01-01	4.6994
2008-04-01	4.8924
2008-07-01	4.1976
2008-10-01	2.9769
2009-01-01	5.0187
2009-04-01	4.6750
2009-07-01	4.7713
2009-10-01	4.7265
2010-01-01	1.5456
2010-04-01	1.5456
2010-07-01	1.5456
2010-10-01	1.5456
2011-01-01	1.2620
2011-04-01	1.5616
2011-07-01	1.5394
2011-10-01	1.5277
2012-01-01	2.0218
2012-04-01	3.1769
2012-07-01	3.2155
2012-10-01	3.2456
2013-01-01	4.7496
2013-04-01	3.7610
2013-07-01	3.7610
2013-10-01	3.7610
2014-01-01	2.4677
2014-04-01	3.2377
2014-07-01	3.1427
2014-10-01	3.0759
2015-01-01	1.0024