Quarter	Billions of US Dollars
1993-07-01	0.3558
1993-10-01	0.0451
1994-01-01	1.2277
1994-04-01	0.1188
1994-07-01	0.4512
1994-10-01	0.0869
1995-01-01	0.1347
1995-04-01	0.1612
1995-07-01	0.0139
1995-10-01	0.0907
1996-01-01	0.3871
1996-04-01	0.1062
1996-07-01	0.1899
1996-10-01	0.3649
1997-01-01	0.1118
1997-04-01	0.0866
1997-07-01	0.1091
1997-10-01	0.1614
1998-01-01	1.2712
1998-04-01	0.7537
1998-07-01	0.9753
1998-10-01	1.3862
1999-01-01	0.2053
1999-04-01	0.0534
1999-07-01	0.8227
1999-10-01	0.6169
2000-01-01	0.8253
2000-04-01	0.3626
2000-07-01	0.0726
2000-10-01	0.5647
2001-01-01	0.5078
2001-04-01	0.8505
2001-07-01	0.2963
2001-10-01	0.5993
2002-01-01	0.4304
2002-04-01	0.5063
2002-07-01	0.3260
2002-10-01	0.5050
2003-01-01	1.5999
2003-04-01	1.1467
2003-07-01	1.2793
2003-10-01	1.2298
2004-01-01	1.4763
2004-04-01	1.0926
2004-07-01	1.4494
2004-10-01	2.7855
2005-01-01	2.2305
2005-04-01	2.9631
2005-07-01	1.5879
2005-10-01	2.8060
2006-01-01	2.2339
2006-04-01	2.6310
2006-07-01	2.9129
2006-10-01	6.0077
2007-01-01	3.2906
2007-04-01	6.3755
2007-07-01	1.7137
2007-10-01	4.7471
2008-01-01	4.3062
2008-04-01	9.0855
2008-07-01	2.9655
2008-10-01	4.9640
2009-01-01	13.4374
2009-04-01	7.2667
2009-07-01	3.7034
2009-10-01	3.7994
2010-01-01	4.8865
2010-04-01	7.6690
2010-07-01	7.7430
2010-10-01	9.6507
2011-01-01	10.0124
2011-04-01	10.4802
2011-07-01	10.9351
2011-10-01	12.6619
2012-01-01	15.1396
2012-04-01	9.5161
2012-07-01	8.5407
2012-10-01	8.2589
2013-01-01	9.9061
2013-04-01	7.5923
2013-07-01	5.7928
2013-10-01	5.6025
2014-01-01	7.9773
2014-04-01	6.8817
2014-07-01	3.6343
2014-10-01	9.3309
2015-01-01	6.6006
2015-04-01	9.4282