Quarter	Billions of US Dollars
1993-07-01	0.0468
1993-10-01	1.5475
1994-01-01	1.5453
1994-04-01	1.5460
1994-07-01	1.5567
1994-10-01	1.0574
1995-01-01	1.2051
1995-04-01	3.7117
1995-07-01	3.7015
1995-10-01	2.7089
1996-01-01	2.5528
1996-04-01	1.5555
1996-07-01	3.1122
1996-10-01	4.1876
1997-01-01	7.0137
1997-04-01	5.9546
1997-07-01	7.2067
1997-10-01	6.1880
1998-01-01	8.9581
1998-04-01	8.4727
1998-07-01	9.8091
1998-10-01	10.0220
1999-01-01	4.1860
1999-04-01	5.6129
1999-07-01	3.6368
1999-10-01	3.6193
2000-01-01	7.7146
2000-04-01	14.3559
2000-07-01	12.1152
2000-10-01	11.2439
2001-01-01	7.7126
2001-04-01	10.7912
2001-07-01	8.6751
2001-10-01	8.0509
2002-01-01	7.8364
2002-04-01	5.3465
2002-07-01	8.6524
2002-10-01	10.4717
2003-01-01	14.6457
2003-04-01	14.7073
2003-07-01	10.3664
2003-10-01	6.4876
2004-01-01	10.7086
2004-04-01	13.9565
2004-07-01	11.9565
2004-10-01	12.0366
2005-01-01	14.4224
2005-04-01	11.2292
2005-07-01	11.9994
2005-10-01	20.8521
2006-01-01	17.0729
2006-04-01	15.7953
2006-07-01	20.6933
2006-10-01	10.7086
2007-01-01	12.0192
2007-04-01	19.9493
2007-07-01	36.0850
2007-10-01	33.9104
2008-01-01	38.2092
2008-04-01	31.8358
2008-07-01	6.9496
2008-10-01	4.8160
2009-01-01	7.5622
2009-04-01	7.1362
2009-07-01	5.3599
2009-10-01	3.9155
2010-01-01	8.0827
2010-04-01	8.1564
2010-07-01	15.0653
2010-10-01	9.0988
2011-01-01	7.2249
2011-04-01	8.8074
2011-07-01	8.5951
2011-10-01	7.5601
2012-01-01	9.1089
2012-04-01	7.6141
2012-07-01	9.3457
2012-10-01	5.9205
2013-01-01	5.0685
2013-04-01	3.8152
2013-07-01	8.5737
2013-10-01	9.3589
2014-01-01	18.5993
2014-04-01	19.9847
2014-07-01	12.3704
2014-10-01	17.2468
2015-01-01	9.6142
2015-04-01	8.4746