Quarter	Billions of US Dollars
2002-10-01	0.01331
2004-01-01	0.05386
2004-04-01	0.08590
2004-10-01	0.06471
2005-01-01	0.04925
2005-04-01	0.04470
2005-07-01	0.12164
2005-10-01	0.00062
2006-01-01	0.05388
2006-04-01	0.00111
2006-07-01	0.00106
2006-10-01	0.00114