Quarter	Billions of US Dollars
1993-07-01	123.901
1993-10-01	113.314
1994-01-01	116.567
1994-04-01	111.643
1994-07-01	103.949
1994-10-01	93.940
1995-01-01	95.291
1995-04-01	87.899
1995-07-01	78.734
1995-10-01	76.638
1996-01-01	73.532
1996-04-01	66.198
1996-07-01	63.153
1996-10-01	55.275
1997-01-01	49.413
1997-04-01	46.414
1997-07-01	42.985
1997-10-01	35.935
1998-01-01	28.358
1998-04-01	23.805
1998-07-01	22.370
1998-10-01	21.186
1999-01-01	19.001
1999-04-01	19.279
1999-07-01	18.732
1999-10-01	15.983
2000-01-01	13.247
2000-04-01	12.595
2000-07-01	10.442
2000-10-01	9.277
2001-01-01	8.407
2001-04-01	8.343
2001-07-01	7.920
2001-10-01	7.614
2002-01-01	7.534
2002-04-01	7.780
2002-07-01	7.960
2002-10-01	7.645
2003-01-01	7.574
2003-04-01	7.738
2003-07-01	6.933
2003-10-01	7.028
2004-01-01	6.214
2004-04-01	5.192
2004-07-01	5.169
2004-10-01	5.129
2005-01-01	4.989
2005-04-01	4.422
2005-07-01	4.432
2005-10-01	4.986
2006-01-01	5.037
2006-04-01	5.144
2006-07-01	4.895
2006-10-01	4.905
2007-01-01	4.889
2007-04-01	4.532
2007-07-01	4.415
2007-10-01	4.515
2008-01-01	4.683
2008-04-01	3.644
2008-07-01	3.154
2008-10-01	3.075
2009-01-01	2.918
2009-04-01	2.597
2009-07-01	2.359
2009-10-01	2.333
2010-01-01	2.070
2010-04-01	1.625
2010-07-01	1.719
2010-10-01	1.696
2011-01-01	1.352
2011-04-01	1.218
2011-07-01	1.155
2011-10-01	1.017
2012-01-01	1.045
2012-04-01	0.994
2012-07-01	1.016
2012-10-01	0.884
2013-01-01	0.858
2013-04-01	0.876
2013-07-01	0.810
2013-10-01	0.690
2014-01-01	0.689
2014-04-01	0.683
2014-07-01	0.629
2014-10-01	0.607
2015-01-01	0.538
2015-04-01	0.559