Quarter	Billions of US Dollars
1994-10-01	0.03431
1995-01-01	0.03950
1995-04-01	0.03910
1995-07-01	0.16611
1995-10-01	0.12603
1996-01-01	0.12183
1996-04-01	0.11586
1996-10-01	0.07427
1997-01-01	0.06891
1997-04-01	0.06855
1997-07-01	0.06887
2011-04-01	0.35954
2011-07-01	0.33282
2011-10-01	0.31884
2012-01-01	0.33219
2013-04-01	0.31874
2013-07-01	0.33142
2013-10-01	0.33651
2014-01-01	0.33937