Quarter	Billions of US Dollars
1993-10-01	0.26000
1994-01-01	0.36000
1994-04-01	0.36000
1994-07-01	0.36000
1994-10-01	0.39000
1995-01-01	0.39000
1995-04-01	0.48000
1995-07-01	0.48000
1995-10-01	0.57990
1996-01-01	0.58167
1996-04-01	0.96417
1996-07-01	1.31915
1996-10-01	1.71541
1997-01-01	2.06714
1997-04-01	2.26878
1997-07-01	3.12042
1997-10-01	3.11304
1998-01-01	3.78177
1998-04-01	3.74495
1998-07-01	3.45078
1998-10-01	3.19317
1999-01-01	2.83902
1999-04-01	2.83932
1999-07-01	3.51709
1999-10-01	3.52166
2000-01-01	3.52218
2000-04-01	3.43457
2000-07-01	3.43117
2000-10-01	3.29011
2001-01-01	2.66236
2001-04-01	2.85686
2001-07-01	2.77202
2001-10-01	3.13704
2002-01-01	3.38696
2002-04-01	3.18364
2002-07-01	3.07945
2002-10-01	3.78446
2003-01-01	3.95839
2003-04-01	3.95468
2003-07-01	4.24476
2003-10-01	3.87601
2004-01-01	3.59149
2004-04-01	3.56920
2004-07-01	3.26476
2004-10-01	3.30152
2005-01-01	3.10967
2005-04-01	3.09378
2005-07-01	3.08019
2005-10-01	2.20789
2006-01-01	2.11043
2006-04-01	1.93164
2006-07-01	2.01119
2006-10-01	1.90613
2007-01-01	2.21186
2007-04-01	2.18810
2007-07-01	2.22372
2007-10-01	1.92867
2008-01-01	1.76768
2008-04-01	1.73993
2008-07-01	2.08518
2008-10-01	2.15889
2009-01-01	2.04146
2009-04-01	2.05556
2009-07-01	2.59087
2009-10-01	2.57376
2010-01-01	2.56520
2010-04-01	2.59995
2010-07-01	3.30341
2010-10-01	3.72113
2011-01-01	3.70581
2011-04-01	3.92799
2011-07-01	3.86882
2011-10-01	3.65452
2012-01-01	3.51167
2012-04-01	3.53869
2012-07-01	3.41291
2012-10-01	3.83032
2013-01-01	4.57272
2013-04-01	4.84606
2013-07-01	4.70607
2013-10-01	4.76077
2014-01-01	4.77474
2014-04-01	5.80293
2014-07-01	5.50795
2014-10-01	5.45521
2015-01-01	5.99247
2015-04-01	6.48214