Quarterly Billions of US Dollars
1987-10-01 0.00840
1988-01-01 -0.05819
1988-04-01 -0.07500
1989-01-01 0.05000
1989-04-01 -0.05000
1989-07-01 -0.03767
1989-10-01 -0.13791
1990-07-01 0.03758
1990-10-01 0.04440
1991-01-01 -0.05000
1991-07-01 -0.05000
1992-07-01 0.01073
1992-10-01 0.53519
1993-10-01 -0.02851
1994-01-01 0.01000
1994-04-01 0.25995
1994-07-01 0.03309
1994-10-01 -0.02531
1995-01-01 0.14149
1995-04-01 0.03296
1995-07-01 0.44009
1995-10-01 -0.12990
1996-01-01 0.18476
1996-04-01 0.37564
1996-07-01 -0.35373
1996-10-01 -0.70863
1997-07-01 0.15575
1997-10-01 0.09015
1998-01-01 0.00935
1998-04-01 -0.00472
1998-07-01 0.31629
1998-10-01 0.00015
1999-01-01 0.10126
1999-04-01 -0.07170
1999-07-01 0.90963
1999-10-01 -0.24010
2000-01-01 0.73976
2000-04-01 0.00453
2000-07-01 -0.27075
2000-10-01 0.45233
2001-01-01 0.06131
2001-04-01 0.12244
2001-07-01 0.67581
2001-10-01 -0.55163
2002-01-01 -0.31354
2002-04-01 0.23144
2002-07-01 0.00306
2002-10-01 0.02207
2003-01-01 0.00749
2003-04-01 -0.06641
2003-07-01 -0.29956
2003-10-01 0.60777
2004-01-01 0.99049
2004-04-01 -0.43714
2004-07-01 0.36515
2004-10-01 -0.39066
2005-01-01 0.47296
2005-04-01 0.41629
2005-07-01 0.83598
2005-10-01 -0.67824
2006-01-01 3.59987
2006-04-01 0.44722
2006-07-01 2.66108
2006-10-01 1.23961
2007-01-01 5.25003
2007-04-01 6.61151
2007-07-01 1.83397
2007-10-01 6.55480
2008-01-01 -2.80964
2008-04-01 6.18897
2008-07-01 -4.13591
2008-10-01 -0.52099
2009-01-01 -1.01449
2009-04-01 5.00273
2009-07-01 -2.56278
2009-10-01 -0.34740
2010-01-01 -0.67672
2010-04-01 -5.82578
2010-07-01 -0.12047
2010-10-01 -3.07634
2011-01-01 -0.02457
2011-04-01 -2.47839
2011-07-01 -0.89024
2011-10-01 -0.04110
2012-01-01 -3.68090
2012-04-01 -2.91042
2012-07-01 0.97191
2012-10-01 -0.12975
2013-01-01 1.55205
2013-04-01 0.11765
2013-07-01 1.71664
2013-10-01 1.81596
2014-01-01 2.09940
2014-04-01 -1.32155
2014-07-01 0.16238
2014-10-01 1.58192
2015-01-01 1.79318
2015-04-01 0.36521