Quarter	Billions of US Dollars
1993-07-01	1.9543
1993-10-01	1.9574
1994-01-01	4.0717
1994-04-01	2.0419
1994-07-01	2.8791
1994-10-01	3.5523
1995-01-01	3.8095
1995-04-01	2.5616
1995-07-01	6.6567
1995-10-01	6.0567
1996-01-01	6.3975
1996-04-01	7.6120
1996-07-01	9.8767
1996-10-01	7.3248
1997-01-01	8.7675
1997-04-01	9.2627
1997-07-01	10.2945
1997-10-01	3.6603
1998-01-01	6.9861
1998-04-01	7.2543
1998-07-01	5.9670
1998-10-01	7.0926
1999-01-01	7.8821
1999-04-01	7.4004
1999-07-01	6.4707
1999-10-01	6.1845
2000-01-01	9.6014
2000-04-01	6.3971
2000-07-01	5.0810
2000-10-01	5.8279
2001-01-01	8.9919
2001-04-01	8.9719
2001-07-01	6.3295
2001-10-01	7.4830
2002-01-01	10.1638
2002-04-01	9.9605
2002-07-01	12.6200
2002-10-01	14.2228
2003-01-01	17.0319
2003-04-01	15.3049
2003-07-01	11.6521
2003-10-01	14.4474
2004-01-01	25.0098
2004-04-01	20.5424
2004-07-01	20.2740
2004-10-01	26.9348
2005-01-01	35.0567
2005-04-01	23.2986
2005-07-01	29.6063
2005-10-01	28.5339
2006-01-01	32.2258
2006-04-01	23.1665
2006-07-01	24.1561
2006-10-01	31.0138
2007-01-01	40.8209
2007-04-01	40.6545
2007-07-01	33.4530
2007-10-01	32.9114
2008-01-01	47.7241
2008-04-01	42.4483
2008-07-01	29.6139
2008-10-01	16.5522
2009-01-01	23.5669
2009-04-01	26.0016
2009-07-01	28.7220
2009-10-01	33.9624
2010-01-01	44.3854
2010-04-01	33.1198
2010-07-01	45.6378
2010-10-01	41.9054
2011-01-01	52.3495
2011-04-01	52.5762
2011-07-01	53.5807
2011-10-01	38.1956
2012-01-01	59.3735
2012-04-01	51.0745
2012-07-01	55.0143
2012-10-01	39.8355
2013-01-01	51.6327
2013-04-01	43.1012
2013-07-01	27.1288
2013-10-01	30.6427
2014-01-01	42.9370
2014-04-01	52.7526
2014-07-01	47.2630
2014-10-01	40.6528
2015-01-01	44.8107
2015-04-01	40.4033