Quarter	Billions of US Dollars
2002-10-01	63.029
2003-01-01	62.017
2003-04-01	63.666
2003-07-01	66.583
2003-10-01	72.296
2004-01-01	70.928
2004-04-01	70.696
2004-07-01	74.852
2004-10-01	78.974
2005-01-01	79.022
2005-04-01	82.485
2005-07-01	88.618
2005-10-01	92.415
2006-01-01	92.011
2006-04-01	92.306
2006-07-01	96.362
2006-10-01	99.563
2007-01-01	101.540
2007-04-01	104.744
2007-07-01	112.193
2007-10-01	120.816
2008-01-01	134.388
2008-04-01	124.387
2008-07-01	126.123
2008-10-01	120.154
2009-01-01	128.178
2009-04-01	134.826
2009-07-01	134.526
2009-10-01	144.710
2010-01-01	143.307
2010-04-01	145.115
2010-07-01	158.028
2010-10-01	165.303
2011-01-01	166.999
2011-04-01	175.977
2011-07-01	171.200
2011-10-01	176.726
2012-01-01	189.908
2012-04-01	192.458
2012-07-01	212.150
2012-10-01	219.297
2013-01-01	225.316
2013-04-01	220.690
2013-07-01	226.082
2013-10-01	228.319
2014-01-01	225.876
2014-04-01	230.580
2014-07-01	225.473
2014-10-01	234.121
2015-01-01	234.133
2015-04-01	235.813
2015-07-01	235.559
2015-10-01	235.893
2016-01-01	245.684
2016-04-01	250.969
2016-07-01	255.311
2016-10-01	257.236
2017-01-01	259.415
2017-04-01	261.257
2017-07-01	270.482
2017-10-01	276.925
2018-01-01	283.054