Quarter	Billions of US Dollars
1993-07-01	11.2851
1993-10-01	10.5269
1994-01-01	10.2847
1994-04-01	11.0082
1994-07-01	11.0218
1994-10-01	10.4306
1995-01-01	11.5770
1995-04-01	11.8293
1995-07-01	11.3032
1995-10-01	10.9255
1996-01-01	9.7405
1996-04-01	9.1204
1996-07-01	8.9596
1996-10-01	8.6344
1997-01-01	7.8424
1997-04-01	7.5066
1997-07-01	7.3597
1997-10-01	6.8034
1998-01-01	6.6294
1998-04-01	6.3857
1998-07-01	6.7251
1998-10-01	6.7324
1999-01-01	6.9885
1999-04-01	6.3544
1999-07-01	5.6966
1999-10-01	6.3894
2000-01-01	6.3631
2000-04-01	6.9465
2000-07-01	4.6582
2000-10-01	4.9066
2001-01-01	4.2557
2001-04-01	3.4978
2001-07-01	5.1257
2001-10-01	8.4023
2002-01-01	7.4858
2002-04-01	7.2699
2002-07-01	6.0898
2002-10-01	6.9069
2003-01-01	6.3456
2003-04-01	7.0512
2003-07-01	5.0357
2003-10-01	3.4735
2004-01-01	3.0485
2004-04-01	1.6915
2004-07-01	1.0366
2004-10-01	0.8591
2005-01-01	0.7939
2005-04-01	0.6419
2005-07-01	0.6389
2005-10-01	0.6340
2006-01-01	0.6396
2006-04-01	0.6395
2006-07-01	0.6384
2006-10-01	0.6402
2007-01-01	0.6410
2007-04-01	1.6051
2007-07-01	12.9016
2007-10-01	1.6656
2008-01-01	7.9864
2008-04-01	8.4701
2008-07-01	17.9804
2008-10-01	28.2435
2009-01-01	23.4414
2009-04-01	28.5052
2009-07-01	19.5766
2009-10-01	13.0959
2010-01-01	17.4223
2010-04-01	16.8340
2010-07-01	20.9735
2010-10-01	15.8628
2011-01-01	16.4921
2011-04-01	16.6967
2011-07-01	15.7179
2011-10-01	14.8134
2012-01-01	15.9596
2012-04-01	15.3854
2012-07-01	15.9559
2012-10-01	16.3489
2013-01-01	19.2434
2013-04-01	20.0719
2013-07-01	19.3247
2013-10-01	19.3826
2014-01-01	24.6826
2014-04-01	24.2306
2014-07-01	23.7057
2014-10-01	23.7658
2015-01-01	22.1243
2015-04-01	22.2293