Quarter	Billions of US Dollars
1993-07-01	0.2492
1993-10-01	0.3435
1994-01-01	0.3902
1994-04-01	0.2145
1994-07-01	0.8220
1994-10-01	0.3359
1995-01-01	0.1519
1995-04-01	0.2957
1995-07-01	0.3071
1995-10-01	0.3778
1996-01-01	0.5048
1996-04-01	0.4804
1996-07-01	0.4669
1996-10-01	0.6709
1997-01-01	0.4677
1997-04-01	0.5254
1997-07-01	0.4890
1997-10-01	0.3760
1998-01-01	0.2646
1998-04-01	1.1470
1998-07-01	1.0505
1998-10-01	1.3384
1999-01-01	1.5776
1999-04-01	1.2387
1999-07-01	1.2196
1999-10-01	1.3355
2000-01-01	1.1536
2000-04-01	0.8414
2000-07-01	1.1311
2000-10-01	0.6862
2001-01-01	0.6511
2001-04-01	0.6341
2001-07-01	0.3271
2001-10-01	0.6317
2002-01-01	0.5239
2002-04-01	0.5357
2002-07-01	0.6480
2002-10-01	0.8780
2003-01-01	1.0572
2003-04-01	1.0120
2003-07-01	1.0580
2003-10-01	0.7920
2004-01-01	0.8777
2004-04-01	1.1306
2004-07-01	2.1200
2004-10-01	2.3780
2005-01-01	4.4089
2005-04-01	6.1959
2005-07-01	5.6263
2005-10-01	4.8814
2006-01-01	7.7283
2006-04-01	7.7357
2006-07-01	5.4818
2006-10-01	7.8336
2007-01-01	13.8471
2007-04-01	14.1578
2007-07-01	9.9663
2007-10-01	10.2474
2008-01-01	6.6390
2008-04-01	9.1414
2008-07-01	8.3007
2008-10-01	5.7636
2009-01-01	1.5621
2009-04-01	4.4018
2009-07-01	7.9629
2009-10-01	9.7423
2010-01-01	10.7141
2010-04-01	9.4046
2010-07-01	9.5257
2010-10-01	8.3913
2011-01-01	7.8361
2011-04-01	7.2552
2011-07-01	7.1944
2011-10-01	6.2809
2012-01-01	6.0637
2012-04-01	5.8506
2012-07-01	5.6279
2012-10-01	5.1695
2013-01-01	5.0685
2013-04-01	4.5443
2013-07-01	4.1592
2013-10-01	3.9599
2014-01-01	3.8481
2014-04-01	2.8757
2014-07-01	2.7999
2014-10-01	3.3280
2015-01-01	1.5252
2015-04-01	1.2555