Quarter	Billions of US Dollars
1993-07-01	4.952
1993-10-01	5.460
1994-01-01	0.347
1994-04-01	-1.003
1994-07-01	1.168
1994-10-01	4.674
1995-01-01	1.936
1995-04-01	1.107
1995-07-01	4.082
1995-10-01	-1.438
1996-01-01	3.466
1996-04-01	7.615
1996-07-01	2.648
1996-10-01	5.873
1997-01-01	6.800
1997-04-01	6.550
1997-07-01	2.200
1997-10-01	0.869
1998-01-01	23.638
1998-04-01	8.821
1998-07-01	8.078
1998-10-01	16.074
1999-01-01	13.562
1999-04-01	7.587
1999-07-01	4.492
1999-10-01	0.104
2000-01-01	5.674
2000-04-01	7.431
2000-07-01	3.520
2000-10-01	6.642
2001-01-01	1.388
2001-04-01	6.863
2001-07-01	12.610
2001-10-01	-0.640
2002-01-01	10.042
2002-04-01	5.184
2002-07-01	8.871
2002-10-01	-0.600
2003-01-01	9.338
2003-04-01	15.100
2003-07-01	2.982
2003-10-01	-6.425
2004-01-01	11.692
2004-04-01	4.467
2004-07-01	3.424
2004-10-01	-3.321
2005-01-01	3.603
2005-04-01	9.004
2005-07-01	17.589
2005-10-01	-2.311
2006-01-01	4.056
2006-04-01	6.279
2006-07-01	-2.683
2006-10-01	5.057
2007-01-01	4.071
2007-04-01	11.223
2007-07-01	12.877
2007-10-01	4.213
2008-01-01	23.215
2008-04-01	11.074
2008-07-01	4.077
2008-10-01	16.812
2009-01-01	16.277
2009-04-01	63.911
2009-07-01	13.810
2009-10-01	1.557
2010-01-01	35.222
2010-04-01	24.981
2010-07-01	20.031
2010-10-01	-3.033
2011-01-01	52.392
2011-04-01	37.275
2011-07-01	53.283
2011-10-01	10.849
2012-01-01	178.312
2012-04-01	31.544
2012-07-01	39.037
2012-10-01	17.772
2013-01-01	-1.781
2013-04-01	50.338
2013-07-01	24.840
2013-10-01	18.943
2014-01-01	57.581
2014-04-01	15.970
2014-07-01	35.816
2014-10-01	-3.187
2015-01-01	25.411
2015-04-01	22.368