Quarter	Billions of US Dollars
1994-01-01	46
1994-04-01	254
1994-07-01	15
1994-10-01	1
1995-01-01	-30
1995-04-01	27
1995-07-01	26
1995-10-01	-36
1996-01-01	-11
1996-04-01	-18
1996-07-01	12
1996-10-01	14
1997-01-01	16
1997-04-01	334
1997-07-01	-35
1997-10-01	-51
1998-01-01	-8
1998-04-01	3
1998-07-01	376
1998-10-01	-56
1999-01-01	12
1999-04-01	266
1999-07-01	35
1999-10-01	19
2000-01-01	-15
2000-04-01	-22
2000-07-01	25
2000-10-01	-66
2001-01-01	71
2001-04-01	10
2001-07-01	-49
2001-10-01	-21
2002-01-01	496
2002-04-01	-308
2002-07-01	70
2002-10-01	-169
2003-01-01	-33
2003-04-01	0
2003-07-01	116
2003-10-01	105
2004-01-01	38
2004-04-01	178
2004-07-01	314
2004-10-01	139
2005-01-01	11
2005-04-01	-255
2005-07-01	14
2005-10-01	-67
2006-04-01	-352
2008-07-01	-219
2008-10-01	237
2009-01-01	-342
2009-04-01	2475
2009-07-01	-214
2009-10-01	508
2010-01-01	878
2010-04-01	319
2010-07-01	-84
2010-10-01	1114
2011-01-01	404
2011-04-01	329
2011-07-01	65
2011-10-01	215
2012-01-01	-1239
2012-04-01	-560
2012-07-01	-5079
2012-10-01	5186
2013-01-01	7
2013-04-01	-1502
2013-07-01	-113
2013-10-01	-3134
2014-01-01	3037
2014-04-01	1248
2014-07-01	-908
2014-10-01	37
2015-01-01	-45
2015-04-01	1105
2015-10-01	-453
2016-01-01	-160
2016-07-01	1117
2017-04-01	431
2017-07-01	-33
2017-10-01	-4
