Quarter	Billions of US Dollars
2005-01-01	95.041
2005-04-01	99.841
2005-07-01	103.346
2005-10-01	106.682
2006-01-01	110.953
2006-04-01	114.799
2006-07-01	114.980
2006-10-01	120.855
2007-01-01	126.161
2007-04-01	132.719
2007-07-01	137.873
2007-10-01	147.333
2008-01-01	158.529
2008-04-01	161.719
2008-07-01	154.349
2008-10-01	155.808
2009-01-01	150.534
2009-04-01	163.991
2009-07-01	172.846
2009-10-01	179.621
2010-01-01	190.972
2010-04-01	195.814
2010-07-01	211.380
2010-10-01	216.464
2011-01-01	230.084
2011-04-01	237.179
2011-07-01	226.590
2011-10-01	233.076
2012-01-01	255.651
2012-04-01	251.386
2012-07-01	269.373
2012-10-01	279.544
2013-01-01	282.202
2013-04-01	278.246
2013-07-01	276.338
2013-10-01	283.223
2014-01-01	292.777
2014-04-01	301.697
2014-07-01	299.482
2014-10-01	287.996
2015-01-01	275.181