Quarter	Billions of US Dollars
1993-07-01	0.21751
1993-10-01	0.15369
1994-01-01	0.19862
1994-04-01	0.26469
1994-07-01	0.21150
1994-10-01	0.18927
1995-01-01	0.24900
1995-04-01	0.87401
1995-07-01	1.39136
1995-10-01	1.43766
1996-01-01	1.75824
1996-04-01	2.10878
1996-07-01	3.65131
1996-10-01	3.76135
1997-01-01	3.12695
1997-04-01	2.44073
1997-07-01	2.13006
1997-10-01	0.35431
1998-01-01	0.41505
1998-04-01	1.11070
1998-07-01	0.25550
1998-10-01	0.31856
1999-01-01	0.86315
1999-04-01	0.43513
1999-07-01	0.35686
1999-10-01	0.35146
2000-01-01	0.70402
2000-04-01	0.85331
2000-07-01	1.06116
2000-10-01	0.10000
2001-01-01	0.02846
2001-04-01	0.57837
2001-07-01	0.23314
2001-10-01	0.10000
2002-01-01	0.15810
2002-04-01	0.62784
2002-07-01	0.28931
2002-10-01	0.17014
2003-01-01	0.24914
2003-04-01	0.41026
2003-07-01	0.79335
2003-10-01	0.68666
2004-01-01	1.45919
2004-04-01	0.99919
2004-07-01	0.81529
2004-10-01	1.14838
2005-01-01	1.36325
2005-04-01	1.11937
2005-07-01	0.98335
2005-10-01	1.23763
2006-01-01	2.04594
2006-04-01	1.92725
2006-07-01	2.30565
2006-10-01	2.01862
2007-01-01	3.22909
2007-04-01	2.83822
2007-07-01	4.30821
2007-10-01	3.52492
2008-01-01	4.06899
2008-04-01	4.97755
2008-07-01	6.34875
2008-10-01	0.46066
2009-01-01	2.69076
2009-04-01	3.25305
2009-07-01	3.00077
2009-10-01	2.80739
2010-01-01	3.73864
2010-04-01	3.84357
2010-07-01	3.14359
2010-10-01	1.36710
2011-01-01	3.06420
2011-04-01	2.86961
2011-07-01	3.45826
2011-10-01	3.87331
2012-01-01	3.71704
2012-04-01	2.76271
2012-07-01	3.26515
2012-10-01	1.36426
2013-01-01	2.85055
2013-04-01	2.92067
2013-07-01	4.09550
2013-10-01	4.36431
2014-01-01	3.14601
2014-04-01	3.62988
2014-07-01	3.82333
2014-10-01	4.89954
2015-01-01	2.65374
2015-04-01	4.60629