Quarter	Billions of US Dollars
1993-07-01	0.1469
1993-10-01	0.1435
1994-01-01	0.3488
1994-04-01	0.3632
1994-07-01	0.7377
1994-10-01	0.7368
1995-01-01	0.4641
1995-04-01	0.4641
1995-07-01	1.0379
1995-10-01	1.0612
1996-01-01	0.9984
1996-04-01	1.0427
1996-10-01	0.0700
1997-01-01	0.1689
1997-04-01	0.2735
1997-07-01	0.4254
1997-10-01	0.4470
1998-01-01	0.4044
1998-04-01	0.4098
1998-07-01	0.5143
1998-10-01	0.4413
1999-01-01	0.4554
1999-04-01	0.3605
1999-07-01	1.0250
1999-10-01	0.9750
2000-01-01	0.8750
2000-04-01	0.8750
2001-04-01	0.2300
2001-07-01	0.2300
2001-10-01	0.7300
2002-01-01	0.7664
2002-04-01	0.5364
2002-07-01	0.5364
2002-10-01	0.5597
2003-01-01	0.5315
2003-04-01	0.6422
2003-07-01	0.9467
2003-10-01	0.7000
2004-01-01	0.8222
2004-04-01	0.7765
2004-07-01	0.7791
2004-10-01	0.8662
2005-01-01	0.8300
2005-04-01	1.2550
2005-07-01	1.1500
2005-10-01	2.1600
2006-01-01	3.1822
2006-04-01	3.6095
2006-07-01	5.4954
2006-10-01	4.5438
2007-01-01	4.7258
2007-04-01	6.0596
2007-07-01	6.6913
2007-10-01	8.4488
2008-01-01	10.7039
2008-04-01	11.2290
2008-07-01	9.8735
2008-10-01	10.6935
2009-01-01	12.5383
2009-04-01	14.3298
2009-07-01	15.0177
2009-10-01	14.7071
2010-01-01	11.4118
2010-04-01	10.4168
2010-07-01	10.5869
2010-10-01	10.0466
2011-01-01	11.1745
2011-04-01	11.2301
2011-07-01	8.6965
2011-10-01	10.3344
2012-01-01	14.3766
2012-04-01	14.7238
2012-07-01	18.5254
2012-10-01	17.6127
2013-01-01	16.4756
2013-04-01	15.4690
2013-07-01	16.6063
2013-10-01	15.2179
2014-01-01	16.3823
2014-04-01	16.0417
2014-07-01	17.4220
2014-10-01	19.6370
2015-01-01	16.2320
2015-04-01	14.9661