Quarter	Billions of US Dollars
1993-07-01	0.6500
1993-10-01	0.1500
1994-01-01	0.5000
1994-04-01	0.4560
1994-07-01	0.4460
1994-10-01	0.4460
1995-01-01	0.1385
1995-04-01	0.0812
1995-07-01	0.3175
1995-10-01	0.8662
1996-01-01	0.7510
1996-04-01	0.7284
1996-07-01	1.1440
1996-10-01	2.3345
1997-01-01	2.3577
1997-04-01	2.5984
1997-07-01	1.7819
1997-10-01	8.6075
1998-01-01	8.6211
1998-04-01	8.9598
1998-07-01	9.6916
1998-10-01	2.4689
1999-01-01	2.2538
1999-04-01	3.4767
1999-07-01	4.5716
1999-10-01	4.2703
2000-01-01	6.9004
2000-04-01	26.3623
2000-07-01	26.7686
2000-10-01	27.5334
2001-01-01	26.6736
2001-04-01	2.5645
2001-07-01	2.1368
2001-10-01	0.9854
2002-01-01	1.7068
2002-04-01	1.6634
2002-07-01	1.4338
2002-10-01	1.7683
2003-01-01	1.8901
2003-04-01	5.6833
2003-07-01	7.7054
2003-10-01	8.5756
2004-01-01	8.0675
2004-04-01	45.5603
2004-07-01	44.3818
2004-10-01	45.2979
2005-01-01	43.2184
2005-04-01	1.3123
2005-07-01	1.2348
2005-10-01	1.3760
2006-01-01	2.2713
2006-04-01	2.5571
2006-07-01	3.1181
2006-10-01	2.9737
2007-01-01	3.2826
2007-04-01	2.8795
2007-07-01	2.3000
2007-10-01	8.4518
2008-01-01	7.1143
2008-04-01	7.3780
2008-07-01	7.1508
2008-10-01	1.2976
2009-01-01	1.8991
2009-04-01	1.6594
2009-07-01	2.1998
2009-10-01	2.1250
2010-01-01	1.4338
2010-04-01	1.3001
2010-07-01	1.7965
2010-10-01	1.3079
2011-01-01	2.0673
2011-04-01	1.6205
2011-07-01	0.7230
2011-10-01	0.8058
2012-01-01	0.0850
2012-04-01	0.0850
2012-07-01	0.0850
2013-10-01	0.5758
2014-01-01	0.5758
2014-04-01	1.8402
2014-07-01	1.8403
2014-10-01	2.3300
2015-01-01	2.3312
2015-04-01	1.0946