Quarter	Billions of US Dollars
1993-07-01	0.1000
1993-10-01	0.5401
1994-01-01	0.5403
1994-04-01	0.9465
1994-07-01	1.1081
1994-10-01	1.2262
1995-01-01	1.2231
1995-04-01	1.2166
1995-07-01	1.6137
1995-10-01	1.7285
1996-01-01	1.7998
1996-04-01	2.2429
1996-07-01	2.2655
1996-10-01	2.8958
1997-01-01	3.6189
1997-04-01	3.8748
1997-07-01	3.8564
1997-10-01	3.8141
1998-01-01	3.9458
1998-04-01	4.2316
1998-07-01	4.3237
1998-10-01	4.1244
1999-01-01	4.1205
1999-04-01	4.2921
1999-07-01	4.7160
1999-10-01	4.5181
2000-01-01	4.8135
2000-04-01	4.8612
2000-07-01	4.8519
2000-10-01	4.6269
2001-01-01	4.3880
2001-04-01	4.3841
2001-07-01	4.4329
2001-10-01	4.4272
2002-01-01	4.2746
2002-04-01	5.9234
2002-07-01	5.2338
2002-10-01	5.0838
2003-01-01	5.1487
2003-04-01	5.8256
2003-07-01	5.7521
2003-10-01	5.7649
2004-01-01	5.7443
2004-04-01	5.5918
2004-07-01	5.6500
2004-10-01	5.5723
2005-01-01	5.5687
2005-04-01	5.5618
2005-07-01	5.8102
2005-10-01	5.8018
2006-01-01	6.1103
2006-04-01	5.9433
2006-07-01	5.6919
2006-10-01	5.9965
2007-01-01	5.8035
2007-04-01	5.7899
2007-07-01	5.8176
2007-10-01	5.8302
2008-01-01	6.0503
2008-04-01	5.7361
2008-07-01	5.7464
2008-10-01	5.7987
2009-01-01	5.7785
2009-04-01	6.6200
2009-07-01	6.5538
2009-10-01	7.1540
2010-01-01	6.9167
2010-04-01	6.8967
2010-07-01	6.6099
2010-10-01	7.3691
2011-01-01	7.8211
2011-04-01	8.6997
2011-07-01	8.3061
2011-10-01	8.3007
2012-01-01	8.6028
2012-04-01	8.6152
2012-07-01	8.6234
2012-10-01	8.6158
2013-01-01	9.0478
2013-04-01	10.0643
2013-07-01	10.0647
2013-10-01	10.4437
2014-01-01	10.4402
2014-04-01	10.1551
2014-07-01	10.0679
2014-10-01	10.0613
2015-01-01	10.0599
2015-04-01	9.7652