Quarter	Billions of US Dollars
1993-07-01	0.3137
1993-10-01	0.2947
1994-01-01	0.2166
1994-04-01	0.1010
1994-07-01	0.1477
1994-10-01	0.2118
1995-01-01	0.3268
1995-04-01	0.3282
1995-07-01	0.4161
1995-10-01	1.1372
1996-01-01	0.4788
1996-04-01	0.3451
1996-07-01	0.1613
1996-10-01	0.2196
1997-01-01	1.0628
1997-04-01	1.1421
1997-07-01	1.1881
1997-10-01	1.0527
1998-01-01	1.6756
1998-04-01	2.2519
1998-07-01	3.8941
1998-10-01	4.0496
1999-01-01	2.7159
1999-04-01	2.0993
1999-07-01	0.8989
1999-10-01	1.8290
2000-01-01	2.4863
2000-04-01	1.6841
2000-07-01	1.5628
2000-10-01	1.9224
2001-01-01	0.9206
2001-04-01	1.1622
2001-07-01	1.8804
2001-10-01	2.5953
2002-01-01	0.6619
2002-04-01	0.0729
2002-07-01	1.4888
2002-10-01	2.1539
2003-01-01	2.4381
2003-04-01	3.6848
2003-07-01	4.5664
2003-10-01	1.7247
2004-01-01	1.0606
2004-04-01	2.0624
2004-07-01	1.0846
2004-10-01	1.2523
2005-01-01	1.1276
2005-04-01	0.0549
2005-07-01	3.2151
2005-10-01	3.0993
2006-01-01	3.1760
2006-04-01	4.3404
2006-07-01	3.5382
2006-10-01	3.9977
2007-01-01	4.4981
2007-04-01	4.3579
2007-07-01	1.8707
2007-10-01	1.5806
2008-01-01	1.1627
2008-04-01	0.4591
2008-07-01	0.2861
2008-10-01	2.3740
2009-01-01	0.2662
2009-10-01	2.6507
2010-01-01	1.2776
2010-04-01	7.3731
2010-07-01	10.2021
2010-10-01	7.9417
2011-01-01	8.3227
2011-04-01	0.7360
2011-07-01	4.0493
2011-10-01	4.0970
2012-01-01	3.8172
2012-04-01	3.5056
2012-07-01	0.4482
2012-10-01	3.0287
2013-01-01	1.7891
2013-04-01	5.0755
2013-07-01	5.2329
2013-10-01	11.2900
2014-01-01	10.7654
2014-04-01	7.2628
2014-07-01	6.7965
2014-10-01	1.3792
2015-01-01	0.0538
2015-04-01	0.2919