Quarterly Billions of US Dollars
1987-07-01 0.03800
1987-10-01 0.02200
1988-01-01 0.09400
1988-04-01 0.06500
1988-07-01 0.05700
1989-10-01 0.07600
1990-01-01 0.08600
1990-04-01 0.03500
1990-07-01 0.36800
1990-10-01 0.30100
1991-01-01 0.61100
1991-04-01 0.73200
1991-07-01 0.88400
1991-10-01 0.93900
1992-01-01 0.94100
1992-04-01 1.00500
1992-07-01 0.53500
1992-10-01 0.27000
1993-10-01 0.07330
1994-01-01 0.22060
1994-04-01 0.56020
1994-07-01 0.40490
1994-10-01 0.71525
1995-01-01 0.27020
1995-04-01 0.29169
1995-07-01 0.47776
1995-10-01 0.57626
1996-01-01 0.67028
1996-04-01 0.49221
1996-07-01 0.31193
1996-10-01 0.39510
1997-01-01 0.24821
1997-04-01 0.33743
1997-07-01 0.40564
1997-10-01 0.25903
1998-01-01 0.28477
1998-04-01 0.31980
1998-07-01 0.29972
1998-10-01 0.28917
1999-01-01 0.21220
1999-04-01 0.18575
1999-07-01 0.15657
1999-10-01 0.14581
2000-01-01 0.16629
2000-04-01 0.18809
2000-07-01 0.20266
2000-10-01 0.17546
2001-01-01 0.17203
2001-04-01 0.23061
2001-07-01 0.23886
2001-10-01 0.20108
2002-01-01 0.15414
2002-04-01 0.08379
2002-07-01 0.06699
2002-10-01 0.07440
2003-01-01 0.07707
2003-04-01 0.07750
2003-07-01 0.07146
2003-10-01 0.09630
2004-01-01 0.09863
2004-04-01 0.09851
2004-07-01 0.07547
2004-10-01 0.06522
2005-01-01 0.05016
2005-04-01 0.05653
2005-07-01 0.05633
2005-10-01 0.03998
2006-01-01 0.03321
2006-04-01 0.03630
2006-07-01 0.03965
2006-10-01 0.03662
2007-01-01 0.03484
2007-04-01 0.02606
2007-07-01 0.02976
2007-10-01 0.03261
2008-01-01 0.03230
2008-04-01 0.02603
2008-07-01 0.02352
2008-10-01 0.02648
2009-01-01 0.02238
2009-04-01 0.02437
2009-07-01 0.02289
2009-10-01 0.02030
2010-01-01 0.01507
2010-04-01 0.01267
2010-07-01 0.01410
2010-10-01 0.01380
2011-01-01 0.01467
2011-04-01 0.01493
2011-07-01 0.01395
2011-10-01 0.01336
2012-01-01 0.01380
2012-04-01 0.01300
2012-07-01 0.01336
2012-10-01 0.01363
2013-01-01 0.01323
2013-04-01 0.01351
2013-07-01 0.01395
2013-10-01 0.01424
2014-01-01 0.01424
2014-04-01 0.01411
2014-07-01 0.01300
2014-10-01 0.01254
2015-01-01 0.01111
2015-04-01 0.01156