Quarter	Billions of US Dollars
1993-07-01	1.1874
1993-10-01	4.0901
1994-01-01	1.1017
1994-04-01	2.9680
1994-07-01	2.0167
1994-10-01	1.0856
1995-01-01	-0.6013
1995-04-01	1.0483
1995-07-01	2.8492
1995-10-01	0.5622
1996-01-01	1.9412
1996-04-01	2.8871
1996-07-01	1.9916
1996-10-01	5.1993
1997-01-01	3.4031
1997-04-01	4.0562
1997-07-01	3.3675
1997-10-01	1.3555
1998-01-01	0.0585
1998-04-01	1.2039
1998-07-01	-0.8973
1998-10-01	-0.6046
1999-01-01	-0.1935
1999-04-01	0.0395
1999-07-01	-0.7536
1999-10-01	-0.4032
2000-01-01	1.3407
2000-04-01	-0.6158
2000-07-01	0.2416
2000-10-01	0.0126
2001-01-01	-0.2235
2001-04-01	1.0874
2001-07-01	0.1673
2001-10-01	-0.1194
2002-01-01	1.8954
2002-04-01	2.2310
2002-07-01	-0.2156
2002-10-01	-0.2278
2003-01-01	1.0485
2003-04-01	1.0723
2003-07-01	1.6603
2003-10-01	0.1332
2004-01-01	2.3221
2004-04-01	3.4560
2004-07-01	1.6651
2004-10-01	0.9324
2005-01-01	1.7098
2005-04-01	1.5645
2005-07-01	2.3925
2005-10-01	1.7237
2006-01-01	0.9346
2006-04-01	1.4157
2006-07-01	1.5025
2006-10-01	1.2824
2007-01-01	0.6988
2007-04-01	5.0339
2007-07-01	-1.2145
2007-10-01	2.2892
2008-01-01	-0.7859
2008-04-01	-0.7266
2008-07-01	0.3504
2008-10-01	-1.1120
2009-01-01	-2.6382
2009-04-01	3.1521
2009-07-01	2.2334
2009-10-01	5.1841
2010-01-01	-0.9668
2010-04-01	0.9873
2010-07-01	1.1133
2010-10-01	3.8016
2011-01-01	1.9044
2011-04-01	10.2907
2011-07-01	2.8718
2011-10-01	1.1900
2012-01-01	3.1052
2012-04-01	4.6464
2012-07-01	2.5606
2012-10-01	6.0811
2013-01-01	9.9956
2013-04-01	8.4852
2013-07-01	5.9226
2013-10-01	7.6417
2014-01-01	3.2528
2014-04-01	5.7480
2014-07-01	8.1779
2014-10-01	6.8032
2015-01-01	1.2488
2015-04-01	5.9364