Quarter	Billions of US Dollars
1993-07-01	9.6613
1993-10-01	9.5232
1994-01-01	10.3492
1994-04-01	10.2738
1994-07-01	11.7811
1994-10-01	11.2047
1995-01-01	10.2544
1995-04-01	10.4573
1995-07-01	9.3712
1995-10-01	10.3992
1996-01-01	11.4307
1996-04-01	12.9721
1996-07-01	11.6843
1996-10-01	10.4764
1997-01-01	13.7204
1997-04-01	14.8143
1997-07-01	13.2164
1997-10-01	13.4306
1998-01-01	14.9460
1998-04-01	16.1868
1998-07-01	15.3923
1998-10-01	16.3385
1999-01-01	17.6613
1999-04-01	20.0203
1999-07-01	20.0012
1999-10-01	18.6048
2000-01-01	20.1519
2000-04-01	22.3223
2000-07-01	23.8464
2000-10-01	30.2676
2001-01-01	28.1642
2001-04-01	33.2413
2001-07-01	30.2873
2001-10-01	24.1854
2002-01-01	29.5213
2002-04-01	27.7693
2002-07-01	29.3245
2002-10-01	27.9356
2003-01-01	32.8115
2003-04-01	34.9200
2003-07-01	29.0284
2003-10-01	32.4324
2004-01-01	34.1180
2004-04-01	33.8536
2004-07-01	33.1734
2004-10-01	34.5900
2005-01-01	35.8329
2005-04-01	37.6931
2005-07-01	30.5005
2005-10-01	29.4369
2006-01-01	37.2677
2006-04-01	43.5721
2006-07-01	40.7846
2006-10-01	34.0968
2007-01-01	40.2244
2007-04-01	38.7088
2007-07-01	36.7941
2007-10-01	31.6406
2008-01-01	38.2400
2008-04-01	48.1936
2008-07-01	47.0296
2008-10-01	44.8494
2009-01-01	33.4212
2009-04-01	28.4984
2009-07-01	23.1477
2009-10-01	17.0530
2010-01-01	23.4573
2010-04-01	23.1146
2010-07-01	15.5991
2010-10-01	17.3490
2011-01-01	18.6796
2011-04-01	30.8527
2011-07-01	24.1410
2011-10-01	22.8486
2012-01-01	19.9003
2012-04-01	27.9711
2012-07-01	20.4680
2012-10-01	19.2960
2013-01-01	26.7109
2013-04-01	29.2205
2013-07-01	28.0314
2013-10-01	23.6452
2014-01-01	28.3899
2014-04-01	29.7699
2014-07-01	28.5173
2014-10-01	29.4401
2015-01-01	36.3489
2015-04-01	37.4172