Quarter	Billions of US Dollars
1993-07-01	0.5955
1993-10-01	1.5368
1994-01-01	0.6945
1994-04-01	0.2500
1994-07-01	5.1178
1994-10-01	5.8396
1995-04-01	-0.3028
1995-07-01	1.5477
1995-10-01	0.2267
1996-01-01	0.4350
1996-04-01	1.2586
1996-07-01	-0.2641
1996-10-01	0.4418
1997-01-01	2.1952
1997-04-01	3.9794
1997-07-01	2.8831
1997-10-01	0.6778
1998-01-01	2.7108
1998-04-01	5.6065
1998-07-01	5.4464
1998-10-01	-2.1230
1999-01-01	1.9550
1999-04-01	1.4183
1999-07-01	0.2890
1999-10-01	2.6768
2000-01-01	2.4647
2000-04-01	3.7784
2000-07-01	22.4611
2000-10-01	-0.3337
2001-01-01	1.0996
2001-04-01	0.0757
2001-07-01	0.0716
2001-10-01	0.5273
2002-01-01	1.2720
2002-04-01	-0.3161
2002-07-01	1.1918
2002-10-01	-0.7198
2003-01-01	3.4478
2003-04-01	0.3366
2003-07-01	4.0760
2003-10-01	0.3572
2004-01-01	3.3594
2004-04-01	5.4431
2004-07-01	0.7278
2004-10-01	2.1297
2005-01-01	7.6109
2005-04-01	9.7232
2005-07-01	-3.9917
2005-10-01	2.7692
2006-01-01	7.3375
2006-04-01	-1.8937
2006-07-01	1.4984
2006-10-01	5.1126
2007-01-01	5.2669
2007-04-01	-1.6834
2007-07-01	-1.6307
2007-10-01	2.8093
2008-01-01	-3.0307
2008-04-01	10.3224
2008-07-01	0.7040
2008-10-01	-0.5991
2009-01-01	0.8866
2009-04-01	3.9055
2009-07-01	4.1618
2009-10-01	4.2408
2010-01-01	9.1039
2010-04-01	5.6464
2010-07-01	7.6202
2010-10-01	1.3362
2011-01-01	9.2104
2011-04-01	7.8488
2011-07-01	1.8921
2011-10-01	0.5487
2012-01-01	10.4940
2012-04-01	16.4878
2012-07-01	5.3258
2012-10-01	12.3322
2013-01-01	-0.1156
2013-04-01	2.1113
2013-07-01	8.5619
2013-10-01	17.1444
2014-01-01	-9.3076
2014-04-01	-0.7662
2014-07-01	1.1138
2014-10-01	0.8127
2015-01-01	-0.1392
2015-04-01	-0.5392