Quarter	Billions of US Dollars
1993-07-01	7.1105
1993-10-01	4.9846
1994-01-01	9.6155
1994-04-01	3.8914
1994-07-01	4.3644
1994-10-01	2.8575
1995-01-01	4.8157
1995-04-01	3.9440
1995-07-01	3.5990
1995-10-01	2.7485
1996-01-01	8.3750
1996-04-01	10.6653
1996-07-01	11.2526
1996-10-01	11.6062
1997-01-01	23.2325
1997-04-01	10.7149
1997-07-01	7.8682
1997-10-01	6.5260
1998-01-01	20.3762
1998-04-01	14.3881
1998-07-01	12.6068
1998-10-01	23.2642
1999-01-01	20.5561
1999-04-01	23.3857
1999-07-01	22.7934
1999-10-01	21.5409
2000-01-01	25.2201
2000-04-01	17.5294
2000-07-01	24.6798
2000-10-01	30.6304
2001-01-01	25.8033
2001-04-01	22.3520
2001-07-01	14.4793
2001-10-01	34.3017
2002-01-01	16.6909
2002-04-01	19.9339
2002-07-01	16.5875
2002-10-01	20.4787
2003-01-01	25.6709
2003-04-01	21.0572
2003-07-01	25.8234
2003-10-01	42.1452
2004-01-01	34.5425
2004-04-01	33.9701
2004-07-01	29.3718
2004-10-01	42.4439
2005-01-01	41.8573
2005-04-01	29.9709
2005-07-01	27.4002
2005-10-01	44.9110
2006-01-01	50.3782
2006-04-01	45.3664
2006-07-01	43.5304
2006-10-01	64.2137
2007-01-01	51.4191
2007-04-01	65.6637
2007-07-01	47.1257
2007-10-01	49.8014
2008-01-01	50.2806
2008-04-01	59.4481
2008-07-01	30.3893
2008-10-01	63.9786
2009-01-01	63.4004
2009-04-01	60.0838
2009-07-01	57.4884
2009-10-01	30.1895
2010-01-01	30.5263
2010-04-01	30.0393
2010-07-01	20.7241
2010-10-01	27.0798
2011-01-01	43.7520
2011-04-01	39.8932
2011-07-01	12.4988
2011-10-01	24.3274
2012-01-01	66.2058
2012-04-01	29.7655
2012-07-01	31.4893
2012-10-01	38.3968
2013-01-01	34.4168
2013-04-01	35.2124
2013-07-01	32.3125
2013-10-01	28.6184
2014-01-01	48.5659
2014-04-01	53.4105
2014-07-01	23.7158
2014-10-01	37.2075
2015-01-01	42.5042
2015-04-01	39.1770