Quarter	Billions of US Dollars
1993-07-01	0.3334
1993-10-01	0.9335
1994-01-01	0.5302
1994-04-01	0.4078
1994-07-01	0.5435
1994-10-01	0.1888
1995-01-01	0.3188
1995-04-01	0.3012
1995-07-01	0.8846
1995-10-01	2.7389
1996-01-01	2.4589
1996-04-01	0.6942
1996-07-01	1.2153
1996-10-01	1.4379
1997-01-01	0.4843
1997-04-01	1.7498
1997-07-01	1.1274
1997-10-01	0.8815
1998-01-01	1.6151
1998-04-01	1.9840
1998-07-01	1.5945
1998-10-01	2.5423
1999-01-01	3.3169
1999-04-01	2.5209
1999-07-01	2.0311
1999-10-01	2.6531
2000-01-01	5.1909
2000-04-01	2.9299
2000-07-01	2.6412
2000-10-01	2.1428
2001-01-01	3.4185
2001-04-01	3.9818
2001-07-01	3.0983
2001-10-01	2.9955
2002-01-01	5.5135
2002-04-01	5.1838
2002-07-01	3.6949
2002-10-01	2.3146
2003-01-01	4.1783
2003-04-01	6.0500
2003-07-01	4.0566
2003-10-01	3.9204
2004-01-01	6.2455
2004-04-01	9.0470
2004-07-01	8.4589
2004-10-01	12.2750
2005-01-01	13.9124
2005-04-01	7.4576
2005-07-01	6.4075
2005-10-01	3.3730
2006-01-01	5.5090
2006-04-01	5.7936
2006-07-01	4.7887
2006-10-01	5.6785
2007-01-01	5.9361
2007-04-01	7.7578
2007-07-01	3.9672
2007-10-01	7.8122
2008-01-01	2.3062
2008-04-01	4.8177
2008-07-01	2.9355
2008-10-01	3.1478
2009-01-01	4.4169
2009-04-01	6.5171
2009-07-01	5.0405
2009-10-01	3.7975
2010-01-01	3.9632
2010-04-01	2.1322
2010-07-01	3.4723
2010-10-01	2.0729
2011-01-01	3.4262
2011-04-01	3.4467
2011-07-01	2.1288
2011-10-01	2.7190
2012-01-01	6.2257
2012-04-01	3.2937
2012-07-01	2.6793
2012-10-01	1.8664
2013-01-01	3.0061
2013-04-01	2.2070
2013-07-01	2.2734
2013-10-01	2.2339
2014-01-01	3.4838
2014-04-01	4.7613
2014-07-01	1.8760
2014-10-01	3.6336
2015-01-01	3.2863
2015-04-01	3.6157