Quarter	Billions of US Dollars
1995-10-01	0.0632
1996-01-01	0.0612
1996-04-01	0.0594
1996-07-01	0.0586
1996-10-01	0.0560
1997-01-01	0.0524
1997-04-01	0.0568
1997-07-01	0.0537
1997-10-01	0.0500
1998-01-01	0.2492
1998-04-01	1.0950
1998-07-01	1.0557
1998-10-01	1.0837
1999-01-01	1.0278
1999-04-01	1.4187
1999-07-01	1.5798
1999-10-01	1.5263
2000-01-01	1.4692
2000-04-01	1.9482
2000-07-01	1.9255
2000-10-01	1.9321
2001-01-01	1.8430
2001-04-01	1.8866
2001-07-01	2.0004
2001-10-01	1.9372
2002-01-01	1.9242
2002-04-01	2.1435
2002-07-01	2.1301
2002-10-01	1.9762
2003-01-01	2.0377
2003-04-01	1.8054
2003-07-01	1.7478
2003-10-01	2.2102
2004-01-01	2.1392
2004-04-01	2.7349
2004-07-01	2.7920
2004-10-01	3.0647
2005-01-01	2.9169
2005-04-01	1.8138
2005-07-01	1.8063
2005-10-01	1.7696
2006-01-01	3.0260
2006-04-01	3.1783
2006-07-01	3.1650
2006-10-01	3.2925
2007-01-01	3.3295
2007-04-01	4.7268
2007-07-01	4.9627
2007-10-01	5.1523
2008-01-01	5.5342
2008-04-01	5.5174
2008-07-01	5.0061
2008-10-01	4.8709
2009-01-01	4.6578
2009-04-01	7.7737
2009-07-01	8.0537
2009-10-01	7.9233
2010-01-01	7.4134
2010-04-01	7.9761
2010-07-01	8.8712
2010-10-01	8.6853
2011-01-01	11.0104
2011-04-01	12.6464
2011-07-01	11.8151
2011-10-01	11.3216
2012-01-01	11.6865
2012-04-01	14.5396
2012-07-01	14.8482
2012-10-01	15.0902
2013-01-01	14.7295
2013-04-01	17.2008
2013-07-01	17.6619
2013-10-01	17.9370
2014-01-01	18.5187
2014-04-01	17.0072
2014-07-01	15.9336
2014-10-01	14.7160
2015-01-01	12.0374
2015-04-01	12.3855