Quarter	Billions of US Dollars
1993-07-01	0.34420
1993-10-01	0.50551
1994-01-01	1.39008
1994-04-01	0.03617
1994-07-01	0.13127
1994-10-01	0.14970
1996-04-01	0.19055
1996-07-01	0.08759
1996-10-01	0.02023
1997-01-01	0.01840
1997-04-01	0.34268
1997-07-01	0.20291
1998-04-01	0.59009
1998-07-01	0.01287
1998-10-01	0.00648
1999-04-01	0.02037
2000-01-01	0.84010
2001-01-01	0.02340
2001-04-01	0.03828
2001-07-01	0.03816
2001-10-01	0.02137
2002-01-01	0.21571
2002-04-01	0.00965
2002-07-01	0.07165
2002-10-01	0.08624
2003-01-01	0.15367
2003-04-01	0.12085
2003-07-01	0.15095
2003-10-01	2.07258
2004-01-01	2.54220
2004-04-01	1.81278
2004-07-01	2.27481
2004-10-01	2.05647
2005-01-01	4.18840
2005-04-01	1.75574
2005-07-01	2.35889
2005-10-01	2.02016
2006-01-01	2.24227
2006-04-01	0.65293
2006-07-01	0.95905
2006-10-01	3.60839
2007-01-01	4.00896
2007-04-01	2.29574
2007-07-01	1.56208
2007-10-01	0.18262
2008-01-01	0.28423
2008-04-01	3.33388
2008-07-01	0.00288
2008-10-01	0.02062
2009-01-01	1.78792
2009-04-01	3.16388
2009-07-01	2.33349
2009-10-01	1.76896
2010-01-01	2.23582
2010-04-01	2.37371
2010-07-01	2.00626
2010-10-01	1.99147
2011-01-01	2.59781
2011-04-01	3.00087
2011-07-01	0.01472
2011-10-01	1.74802
2012-01-01	3.02669
2012-04-01	0.07795
2012-07-01	0.19957
2012-10-01	0.02114
2013-01-01	0.50216
2013-04-01	1.18450
2013-07-01	1.99458
2013-10-01	0.04383
2014-01-01	0.03640
2014-04-01	0.02878
2014-07-01	0.01358
2014-10-01	0.27758
2015-01-01	0.01771
2015-04-01	0.21412