Quarter	Billions of US Dollars
1995-07-01	0.01718
1995-10-01	0.05054
1996-01-01	0.04988
1996-04-01	0.07988
1996-07-01	0.69018
1996-10-01	0.63635
1997-01-01	0.29977
1997-04-01	0.16967
1997-07-01	0.04600
1997-10-01	0.03685
1998-01-01	0.10601
1998-04-01	0.00017
1998-07-01	0.00005
1998-10-01	0.00685
1999-01-01	0.01449
1999-04-01	0.03269
1999-07-01	0.01932
1999-10-01	0.01630
2000-01-01	0.17789
2000-04-01	0.01353
2000-07-01	0.00290
2000-10-01	0.00192
2001-01-01	0.05748
2006-01-01	0.00859
2006-10-01	0.00075
2008-01-01	0.00940
2009-04-01	0.00462
2009-07-01	0.00534
2011-07-01	0.00081
2011-10-01	0.02107
2013-07-01	0.04431
2015-04-01	0.00126