Quarter	Billions of US Dollars
1995-07-01	0.01708
1995-10-01	0.05017
1996-01-01	0.07045
1996-04-01	0.10131
1996-07-01	0.74009
1996-10-01	1.26380
1997-01-01	1.28278
1997-04-01	1.21721
1997-07-01	0.47827
1997-10-01	0.11014
1998-01-01	0.14412
1998-04-01	0.00683
1998-07-01	0.00947
1998-10-01	0.00675
1999-01-01	0.02080
1999-04-01	0.04644
1999-07-01	0.03292
1999-10-01	0.02673
2000-01-01	0.17323
2000-04-01	0.07694
2000-07-01	0.07942
2000-10-01	0.07207
2001-01-01	0.06516
2001-04-01	0.04895
2006-01-01	0.00878
2006-04-01	0.00857
2006-07-01	0.00863
2006-10-01	0.00959
2008-01-01	0.00943
2008-04-01	0.00929
2009-04-01	0.00474
2009-07-01	0.01051
2009-10-01	0.01082
2010-01-01	0.00549
2010-04-01	0.00550
2011-07-01	0.00079
2011-10-01	0.02091
2012-01-01	0.02066
2012-04-01	0.02001
2012-07-01	0.01978
2013-07-01	0.04069
2013-10-01	0.03876
2014-01-01	0.04143
2014-04-01	0.03948
2015-04-01	0.00124