Quarter	Billions of US Dollars
1992-04-01	0.0164
1992-07-01	0.0177
1992-10-01	0.0155
1993-01-01	0.0155
1993-04-01	0.3148
1993-07-01	0.6483
1993-10-01	0.6274
1994-01-01	0.6543
1994-04-01	0.9191
1994-07-01	0.9217
1994-10-01	1.0671
1995-01-01	1.1098
1995-04-01	1.1137
1995-07-01	1.0561
1995-10-01	1.0404
1996-01-01	1.0294
1996-04-01	0.7199
1996-07-01	0.7613
1996-10-01	0.7950
1997-01-01	0.7686
1997-04-01	1.0391
1997-07-01	1.2214
1997-10-01	1.2002
1998-01-01	1.1936
1998-04-01	1.1787
1998-07-01	1.1953
1998-10-01	1.2394
1999-01-01	1.2203
1999-04-01	1.1721
1999-07-01	1.2199
1999-10-01	1.2688
2000-01-01	1.2336
2000-04-01	1.2352
2000-07-01	0.8656
2000-10-01	0.8912
2001-01-01	0.8688
2001-04-01	0.8521
2001-07-01	0.9050
2001-10-01	0.8554
2002-01-01	0.8513
2002-04-01	1.0936
2002-07-01	1.0874
2002-10-01	1.1215
2003-01-01	1.3290
2003-04-01	1.3670
2003-07-01	1.3831
2003-10-01	1.6030
2004-01-01	1.5740
2004-04-01	4.0912
2004-07-01	4.2862
2004-10-01	4.6365
2005-01-01	5.8930
2005-04-01	5.5538
2005-07-01	5.5343
2005-10-01	5.4390
2006-01-01	5.5585
2006-04-01	5.7954
2006-07-01	6.0469
2006-10-01	6.6514
2007-01-01	6.9971
2007-04-01	7.4963
2007-07-01	8.1556
2007-10-01	9.2997
2008-01-01	9.9386
2008-04-01	13.9145
2008-07-01	14.3381
2008-10-01	13.8504
2009-01-01	13.4361
2009-04-01	16.7199
2009-07-01	17.4773
2009-10-01	20.4067
2010-01-01	19.4639
2010-04-01	19.6954
2010-07-01	24.9575
2010-10-01	24.9590
2011-01-01	26.5599
2011-04-01	27.1128
2011-07-01	25.0335
2011-10-01	23.9568
2012-01-01	27.4984
2012-04-01	27.5507
2012-07-01	28.7378
2012-10-01	33.0086
2013-01-01	31.8429
2013-04-01	34.0586
2013-07-01	35.3727
2013-10-01	35.3937
2014-01-01	36.1859
2014-04-01	32.8670
2014-07-01	30.6561
2014-10-01	27.8358
2015-01-01	25.0826
2015-04-01	25.4259