Quarter	Billions of US Dollars
1993-07-01	0.7514
1993-10-01	0.8067
1994-01-01	0.7586
1994-04-01	0.7590
1994-07-01	0.7859
1994-10-01	1.1603
1995-01-01	2.0124
1995-04-01	2.6157
1995-07-01	2.5738
1995-10-01	1.8416
1996-01-01	1.9396
1996-04-01	2.8695
1996-07-01	3.5188
1996-10-01	7.0371
1997-01-01	7.5542
1997-04-01	7.2633
1997-07-01	6.3555
1997-10-01	3.7237
1998-01-01	3.2110
1998-04-01	3.5495
1998-07-01	3.4986
1998-10-01	1.4004
1999-01-01	2.2950
1999-04-01	2.3767
1999-07-01	3.3163
1999-10-01	4.5326
2000-01-01	3.9557
2000-04-01	4.0623
2000-07-01	3.3700
2000-10-01	2.4501
2001-01-01	1.7557
2001-04-01	2.7117
2001-07-01	3.0632
2001-10-01	2.6107
2002-01-01	2.2333
2002-04-01	3.2251
2002-07-01	3.1939
2002-10-01	4.4943
2003-01-01	4.3868
2003-04-01	3.3553
2003-07-01	4.5025
2003-10-01	3.1378
2004-01-01	2.9414
2004-04-01	2.9043
2004-07-01	1.1227
2004-10-01	1.2342
2005-01-01	2.1555
2005-04-01	1.0461
2005-07-01	8.8732
2005-10-01	8.7613
2006-01-01	10.3378
2006-04-01	11.4082
2006-07-01	9.4602
2006-10-01	10.1347
2007-01-01	7.7841
2007-04-01	7.3587
2007-07-01	7.7272
2007-10-01	7.8995
2008-01-01	8.4687
2008-04-01	13.1172
2008-07-01	4.8887
2008-10-01	4.4624
2009-01-01	4.6932
2009-04-01	0.4140
2009-07-01	0.4028
2009-10-01	0.4049
2010-04-01	3.0000
2010-07-01	3.2000
2010-10-01	3.2000
2011-01-01	3.5630
2011-04-01	0.5711
2011-07-01	1.3425
2011-10-01	1.3339
2012-01-01	1.0000
2012-04-01	2.0000
2012-07-01	1.0000
2012-10-01	1.0000
2013-01-01	1.3201
2013-04-01	0.3270
2013-07-01	0.3376
2013-10-01	0.4448
2014-01-01	1.0986
2014-04-01	1.1221
2014-07-01	1.3034
2014-10-01	5.0354
2015-01-01	9.6200
2015-04-01	9.7786