Quarter	Billions of US Dollars
1993-07-01	4.9519
1993-10-01	4.0602
1994-01-01	1.4215
1994-04-01	2.5274
1994-07-01	4.5169
1994-10-01	3.5537
1995-01-01	4.6381
1995-04-01	5.3876
1995-07-01	7.4917
1995-10-01	5.1445
1996-01-01	8.0609
1996-04-01	4.7965
1996-07-01	6.0549
1996-10-01	3.0956
1997-01-01	5.5505
1997-04-01	4.0493
1997-07-01	3.9186
1997-10-01	3.5702
1998-01-01	10.0559
1998-04-01	4.9930
1998-07-01	4.8745
1998-10-01	4.5255
1999-01-01	8.3740
1999-04-01	4.9325
1999-07-01	5.2817
1999-10-01	3.3705
2000-01-01	4.8436
2000-04-01	4.1536
2000-07-01	7.3842
2000-10-01	3.2265
2001-01-01	5.7712
2001-04-01	4.4428
2001-07-01	2.7909
2001-10-01	4.7079
2002-01-01	7.1028
2002-04-01	7.8748
2002-07-01	3.1365
2002-10-01	6.8076
2003-01-01	6.7830
2003-04-01	7.8924
2003-07-01	7.5208
2003-10-01	8.6798
2004-01-01	9.8901
2004-04-01	6.6269
2004-07-01	8.4237
2004-10-01	5.4108
2005-01-01	16.0324
2005-04-01	13.0765
2005-07-01	9.5307
2005-10-01	12.5805
2006-01-01	16.8432
2006-04-01	14.9155
2006-07-01	10.9044
2006-10-01	11.9488
2007-01-01	20.0751
2007-04-01	15.4828
2007-07-01	10.0970
2007-10-01	9.3146
2008-01-01	12.6471
2008-04-01	16.8560
2008-07-01	11.7597
2008-10-01	12.8493
2009-01-01	28.5991
2009-04-01	17.0761
2009-07-01	11.2218
2009-10-01	8.3300
2010-01-01	19.5411
2010-04-01	9.5241
2010-07-01	12.7687
2010-10-01	8.5286
2011-01-01	17.1888
2011-04-01	9.5428
2011-07-01	7.4001
2011-10-01	5.8245
2012-01-01	14.1900
2012-04-01	6.3298
2012-07-01	12.1295
2012-10-01	6.9791
2013-01-01	7.8520
2013-04-01	8.1283
2013-07-01	6.6804
2013-10-01	6.2020
2014-01-01	12.7327
2014-04-01	9.3998
2014-07-01	8.1810
2014-10-01	4.0978
2015-01-01	6.8324
2015-04-01	6.8147