Quarter	Billions of US Dollars
1998-01-01	0.00647
1998-04-01	0.00647
1998-07-01	0.00647
1998-10-01	0.00647
1999-04-01	0.06362
1999-07-01	0.06077
1999-10-01	0.06027
2000-01-01	0.06035
2000-04-01	0.03000
2000-07-01	0.03000
2000-10-01	0.04133
2001-01-01	0.04133
2001-04-01	0.04353
2001-07-01	0.04353
2001-10-01	0.03220
2002-01-01	0.03220
2006-10-01	0.35559
2007-01-01	0.35959
2007-04-01	0.36464
2007-07-01	0.38283
2013-10-01	0.00004
2014-01-01	0.00004