Quarter	Billions of US Dollars
1996-04-01	0.051822
1996-07-01	0.067854
1996-10-01	0.067852
1997-01-01	0.067852
1997-04-01	0.061515
1997-07-01	0.061515
1997-10-01	0.056430
1998-01-01	0.056430
1998-04-01	0.056714
1998-07-01	0.068934
1998-10-01	0.068934
1999-01-01	0.068934
1999-04-01	0.068934
1999-07-01	0.068934
1999-10-01	0.068934
2000-01-01	0.068934
2000-04-01	0.068934
2000-07-01	0.044501
2000-10-01	0.044501
2001-01-01	0.044730
2001-04-01	0.048027
2001-07-01	0.046309
2001-10-01	0.045837
2002-01-01	0.045837
2002-04-01	0.047006
2002-07-01	0.048819
2002-10-01	0.049568
2003-01-01	0.049377
2003-04-01	0.051838
2003-07-01	0.051838
2003-10-01	0.051838
2004-01-01	0.054489
2004-04-01	0.057421
2004-07-01	0.057421
2004-10-01	0.057421
2005-01-01	0.057421
2005-04-01	0.057421
2005-07-01	0.057421
2005-10-01	0.080462
2006-01-01	0.080462
2006-04-01	0.080462