Quarter	Billions of US Dollars
1993-07-01	1.3949
1993-10-01	1.4435
1994-01-01	4.0232
1994-04-01	1.9312
1994-07-01	1.9659
1994-10-01	0.8328
1995-01-01	0.6081
1995-04-01	0.9828
1995-07-01	1.2540
1995-10-01	1.6039
1996-01-01	0.6183
1996-04-01	1.6144
1996-07-01	1.6987
1996-10-01	1.8776
1997-01-01	2.2203
1997-04-01	2.8392
1997-07-01	4.2153
1997-10-01	2.9656
1998-01-01	1.8192
1998-04-01	1.9778
1998-07-01	2.1842
1998-10-01	1.0849
1999-01-01	1.1537
1999-04-01	2.8663
1999-07-01	3.9330
1999-10-01	3.2655
2000-01-01	1.8169
2000-04-01	17.6796
2000-07-01	8.8646
2000-10-01	9.6878
2001-01-01	7.2095
2001-04-01	5.1282
2001-07-01	8.9802
2001-10-01	10.5097
2002-01-01	5.3971
2002-04-01	4.2816
2002-07-01	3.5685
2002-10-01	3.2382
2003-01-01	3.5015
2003-04-01	4.7825
2003-07-01	4.6080
2003-10-01	4.6730
2004-01-01	7.6871
2004-04-01	13.5947
2004-07-01	6.9304
2004-10-01	11.0918
2005-01-01	4.5419
2005-04-01	8.2566
2005-07-01	2.8739
2005-10-01	16.5439
2006-01-01	11.8901
2006-04-01	18.6147
2006-07-01	14.3955
2006-10-01	21.9719
2007-01-01	11.1940
2007-04-01	28.7987
2007-07-01	7.2715
2007-10-01	1.9406
2008-01-01	4.0870
2008-04-01	6.9462
2008-07-01	6.9578
2008-10-01	11.6966
2009-01-01	4.8518
2009-04-01	8.5282
2009-07-01	2.7615
2009-10-01	3.8417
2010-01-01	4.5237
2010-04-01	2.0599
2010-07-01	2.2475
2010-10-01	3.8772
2011-01-01	7.2662
2011-04-01	3.3077
2011-07-01	8.1823
2011-10-01	5.0357
2012-01-01	5.5843
2012-04-01	5.7988
2012-07-01	2.9786
2012-10-01	8.1540
2013-01-01	11.0060
2013-04-01	10.2753
2013-07-01	11.6007
2013-10-01	9.6131
2014-01-01	9.2421
2014-04-01	9.7734
2014-07-01	8.2794
2014-10-01	14.3511
2015-01-01	8.1178
2015-04-01	10.8114