Quarter	Billions of US Dollars
1993-07-01	4.96578
1993-10-01	4.71396
1994-01-01	5.08103
1994-04-01	5.31891
1994-07-01	5.67237
1994-10-01	4.86656
1995-01-01	2.82550
1995-04-01	3.07540
1995-07-01	3.57766
1995-10-01	3.34805
1996-01-01	3.73612
1996-04-01	4.32182
1996-07-01	3.52491
1996-10-01	3.11652
1997-01-01	2.68241
1997-04-01	2.21352
1997-07-01	2.87893
1997-10-01	2.87775
1998-01-01	2.99617
1998-04-01	2.13698
1998-07-01	1.90665
1998-10-01	1.45161
1999-01-01	1.49970
1999-04-01	1.54864
1999-07-01	1.80115
1999-10-01	1.78327
2000-01-01	2.33315
2000-04-01	1.89336
2000-07-01	1.69361
2000-10-01	2.30139
2001-01-01	2.85613
2001-04-01	3.53577
2001-07-01	1.58772
2001-10-01	1.40040
2002-01-01	1.02359
2002-04-01	0.81859
2002-07-01	0.42591
2002-10-01	1.65250
2003-01-01	3.38798
2003-04-01	4.15371
2003-07-01	3.52447
2003-10-01	2.38794
2004-01-01	1.81077
2004-04-01	2.13381
2004-07-01	1.88755
2004-10-01	2.14256
2005-01-01	1.44894
2005-04-01	0.97169
2005-07-01	0.85794
2005-10-01	0.99045
2006-01-01	1.53865
2006-04-01	1.77044
2006-07-01	4.12852
2006-10-01	3.78498
2007-01-01	4.52344
2007-04-01	4.23108
2007-07-01	1.85915
2007-10-01	3.07144
2008-01-01	3.40338
2008-04-01	3.40822
2008-07-01	3.95594
2008-10-01	3.03141
2009-01-01	1.73537
2009-04-01	5.29334
2009-07-01	4.85403
2009-10-01	7.18465
2010-01-01	7.24294
2010-04-01	3.59937
2010-07-01	3.81446
2010-10-01	1.41239
2011-01-01	1.39164
2011-04-01	1.62767
2011-07-01	1.86448
2011-10-01	2.23015
2012-01-01	2.18500
2012-04-01	2.10131
2012-07-01	2.76700
2012-10-01	4.00253
2013-01-01	5.25672
2013-04-01	5.84193
2013-07-01	5.24182
2013-10-01	3.23125
2014-01-01	2.55213
2014-04-01	2.08855
2014-07-01	2.07744
2014-10-01	2.06705
2015-01-01	1.58904
2015-04-01	2.36026