Quarter	Billions of US Dollars
1993-07-01	0.2500
1993-10-01	0.2500
1994-01-01	0.2500
1994-04-01	0.2500
1994-07-01	0.2500
1994-10-01	0.2500
1995-01-01	0.2500
1995-04-01	0.2500
1995-07-01	0.2500
1995-10-01	0.2500
1996-01-01	0.2500
1998-07-01	0.0895
1998-10-01	0.0897
1999-01-01	0.6195
1999-04-01	1.8620
1999-07-01	1.8983
1999-10-01	2.3339
2000-01-01	2.4473
2000-04-01	2.4478
2000-07-01	2.3073
2000-10-01	2.7754
2001-01-01	2.6724
2001-04-01	3.4438
2001-07-01	3.6506
2001-10-01	3.5496
2002-01-01	3.5214
2002-04-01	3.9187
2002-07-01	3.8822
2002-10-01	4.0814
2003-01-01	5.3005
2003-04-01	5.5227
2003-07-01	6.6925
2003-10-01	7.1913
2004-01-01	8.2066
2004-04-01	8.9240
2004-07-01	9.8418
2004-10-01	12.1562
2005-01-01	14.4381
2005-04-01	14.5590
2005-07-01	15.1424
2005-10-01	14.1432
2006-01-01	16.8996
2006-04-01	16.8568
2006-07-01	17.4608
2006-10-01	17.9518
2007-01-01	19.4277
2007-04-01	19.6202
2007-07-01	20.4441
2007-10-01	21.1851
2008-01-01	22.5125
2008-04-01	25.0589
2008-07-01	23.0822
2008-10-01	22.4176
2009-01-01	20.8210
2009-04-01	21.6152
2009-07-01	23.9877
2009-10-01	23.6656
2010-01-01	24.3353
2010-04-01	22.9047
2010-07-01	23.1533
2010-10-01	22.8376
2011-01-01	27.5911
2011-04-01	28.4373
2011-07-01	27.3469
2011-10-01	25.3554
2012-01-01	25.8008
2012-04-01	24.9797
2012-07-01	24.8806
2012-10-01	23.6798
2013-01-01	24.5722
2013-04-01	24.6709
2013-07-01	25.1538
2013-10-01	28.6708
2014-01-01	30.3231
2014-04-01	29.4252
2014-07-01	26.1132
2014-10-01	25.7451
2015-01-01	23.2836
2015-04-01	23.6571