Quarter	Billions of US Dollars
1993-07-01	2.1833
1993-10-01	1.6051
1994-01-01	1.6955
1994-04-01	1.5929
1994-07-01	1.5764
1994-10-01	1.3432
1995-01-01	1.5498
1995-04-01	1.9717
1995-07-01	1.6230
1995-10-01	1.6804
1996-01-01	1.8837
1996-04-01	2.2632
1996-07-01	1.1485
1996-10-01	1.0301
1997-01-01	1.0412
1997-04-01	0.8151
1997-07-01	2.1280
1997-10-01	1.1278
1998-01-01	1.3819
1998-04-01	1.6728
1998-07-01	2.0410
1998-10-01	2.6227
1999-01-01	1.7026
1999-04-01	2.8658
1999-07-01	2.1815
1999-10-01	2.3287
2000-01-01	2.0647
2000-04-01	12.8109
2000-07-01	12.1400
2000-10-01	4.4286
2001-01-01	2.4308
2001-04-01	6.3291
2001-07-01	2.8751
2001-10-01	1.7901
2002-01-01	0.9070
2002-04-01	2.3477
2002-07-01	2.0019
2002-10-01	1.4723
2003-01-01	1.4235
2003-04-01	2.1906
2003-07-01	1.3643
2003-10-01	1.0554
2004-01-01	0.9095
2004-04-01	1.9172
2004-07-01	1.3890
2004-10-01	1.2680
2005-01-01	1.5897
2005-04-01	1.2670
2005-07-01	0.9825
2005-10-01	1.3386
2006-01-01	0.7435
2006-04-01	1.1433
2006-07-01	1.5869
2006-10-01	0.6885
2007-01-01	1.3005
2007-04-01	1.0692
2007-07-01	0.6676
2007-10-01	1.0912
2008-01-01	1.1261
2008-04-01	1.3752
2008-07-01	0.9060
2008-10-01	1.2346
2009-01-01	0.5850
2009-04-01	0.8535
2009-07-01	0.4570
2009-10-01	0.3977
2010-01-01	0.1132
2010-04-01	0.3333
2010-07-01	0.5259
2010-10-01	0.5782
2011-01-01	0.4885
2011-04-01	2.1224
2011-07-01	1.2441
2011-10-01	1.2549
2012-01-01	1.4955
2012-04-01	1.3144
2012-07-01	0.9940
2012-10-01	1.7851
2013-01-01	0.9565
2013-04-01	1.7746
2013-07-01	1.7122
2013-10-01	1.8084
2014-01-01	1.2825
2014-04-01	1.5048
2014-07-01	1.1825
2014-10-01	1.1377
2015-01-01	0.7133
2015-04-01	1.2367