Quarter	Billions of US Dollars
2005-10-01	0.88478
2006-01-01	1.16441
2006-04-01	1.22299
2006-07-01	1.21789
2006-10-01	1.26695
2007-01-01	1.28119
2007-04-01	1.29918
2007-07-01	1.36402
2007-10-01	1.41616
2008-01-01	1.52111
2008-04-01	1.51650
2008-07-01	1.37595
2008-10-01	1.33881
2009-01-01	1.28023
2009-04-01	1.35969
2009-07-01	1.40866
2009-10-01	1.38586
2010-01-01	1.29668
2010-04-01	2.10079
2010-07-01	2.33654
2010-10-01	2.28757
2011-01-01	2.43224
2011-04-01	2.47435
2011-07-01	2.37923
2011-10-01	2.27985
2012-01-01	2.35333
2012-04-01	2.21836
2012-07-01	2.27827
2012-10-01	2.32478
2013-01-01	2.19222
2013-04-01	2.70090
2013-07-01	2.78216
2013-10-01	2.83684
2014-01-01	2.83627
2014-04-01	2.81141
2014-07-01	2.60587
2014-10-01	2.52136
2015-01-01	2.25712
2015-04-01	2.33934