Quarter	Billions of US Dollars
2008-01-01	77.796
2008-04-01	68.434
2008-07-01	69.724
2008-10-01	61.249
2009-01-01	69.535
2009-04-01	77.694
2009-07-01	77.703
2009-10-01	83.087
2010-01-01	81.748
2010-04-01	83.323
2010-07-01	97.667
2010-10-01	101.768
2011-01-01	104.365
2011-04-01	113.164
2011-07-01	110.477
2011-10-01	114.381
2012-01-01	124.208
2012-04-01	124.122
2012-07-01	138.590
2012-10-01	134.103
2013-01-01	135.528
2013-04-01	129.865
2013-07-01	134.326
2013-10-01	131.392
2014-01-01	127.512
2014-04-01	131.043
2014-07-01	127.200
2014-10-01	129.512
2015-01-01	127.123