Quarter	Billions of US Dollars
1993-07-01	0.2000
1993-10-01	0.2000
1994-01-01	0.2000
1994-04-01	0.2000
1994-07-01	0.7184
1994-10-01	0.6623
1995-01-01	0.3162
1995-04-01	0.2851
1995-07-01	0.3998
1995-10-01	0.6114
1996-01-01	0.8852
1996-04-01	1.2263
1996-07-01	1.5249
1996-10-01	2.6840
1997-01-01	3.5176
1997-04-01	4.2810
1997-07-01	4.4323
1997-10-01	4.5220
1998-01-01	4.7151
1998-04-01	5.8183
1998-07-01	7.7407
1998-10-01	8.3730
1999-01-01	9.8835
1999-04-01	9.4569
1999-07-01	9.9253
1999-10-01	10.7552
2000-01-01	11.1810
2000-04-01	12.2677
2000-07-01	12.0769
2000-10-01	14.0127
2001-01-01	15.4958
2001-04-01	16.6914
2001-07-01	17.4849
2001-10-01	18.3517
2002-01-01	18.7520
2002-04-01	19.6945
2002-07-01	19.6975
2002-10-01	20.4668
2003-01-01	19.0099
2003-04-01	19.4025
2003-07-01	19.8350
2003-10-01	20.5798
2004-01-01	20.4961
2004-04-01	19.9261
2004-07-01	21.2778
2004-10-01	23.9379
2005-01-01	27.6521
2005-04-01	30.1383
2005-07-01	31.3595
2005-10-01	31.4993
2006-01-01	35.8253
2006-04-01	40.9651
2006-07-01	40.4102
2006-10-01	46.0621
2007-01-01	53.9650
2007-04-01	55.3183
2007-07-01	54.1801
2007-10-01	54.6367
2008-01-01	61.2279
2008-04-01	59.5784
2008-07-01	60.2946
2008-10-01	57.7743
2009-01-01	51.5113
2009-04-01	63.8158
2009-07-01	66.6238
2009-10-01	65.6527
2010-01-01	66.7743
2010-04-01	62.9955
2010-07-01	64.7507
2010-10-01	62.1996
2011-01-01	55.7132
2011-04-01	53.6476
2011-07-01	51.4231
2011-10-01	49.1987
2012-01-01	48.6200
2012-04-01	46.7140
2012-07-01	46.9080
2012-10-01	44.9215
2013-01-01	45.0502
2013-04-01	43.4881
2013-07-01	42.8288
2013-10-01	40.7281
2014-01-01	39.0664
2014-04-01	38.1245
2014-07-01	37.1784
2014-10-01	36.9732
2015-01-01	40.0504
2015-04-01	46.0210