Quarterly Billions of US Dollars
1987-01-01 0.15300
1987-04-01 0.14900
1987-07-01 0.20000
1987-10-01 0.22700
1988-01-01 0.33600
1988-04-01 0.46700
1988-07-01 0.47400
1988-10-01 0.45700
1989-01-01 0.61300
1989-04-01 0.61200
1989-07-01 0.55700
1989-10-01 0.52500
1990-01-01 0.42700
1990-04-01 0.37300
1990-07-01 0.53600
1990-10-01 0.41000
1991-01-01 0.57000
1991-04-01 0.31600
1991-07-01 0.31400
1991-10-01 0.31600
1992-01-01 0.46600
1992-04-01 0.49100
1992-07-01 0.53600
1992-10-01 0.60100
1993-01-01 0.50400
1993-04-01 0.56900
1993-07-01 0.59271
1993-10-01 0.57017
1994-01-01 0.78218
1994-04-01 0.82179
1994-07-01 0.95501
1994-10-01 0.76455
1995-01-01 0.75551
1995-04-01 0.69364
1995-07-01 0.82808
1995-10-01 0.77193
1996-01-01 0.60680
1996-04-01 0.60951
1996-07-01 0.81296
1996-10-01 0.80335
1997-01-01 1.16090
1997-04-01 1.66193
1997-07-01 1.12379
1997-10-01 0.78751
1998-01-01 0.80932
1998-04-01 0.54328
1998-07-01 0.85390
1998-10-01 0.81209
1999-01-01 0.83217
1999-04-01 0.32690
1999-07-01 0.20911
1999-10-01 0.13287
2000-01-01 0.04962
2000-04-01 0.54462
2000-07-01 0.53820
2000-10-01 0.55120
2001-01-01 0.55450
2001-04-01 0.70150
2001-07-01 0.73997
2001-10-01 0.74845
2002-01-01 0.72279
2002-04-01 0.88371
2002-07-01 0.90618
2002-10-01 0.89354
2003-01-01 0.91918
2003-04-01 0.27380
2003-07-01 0.27561
2003-10-01 0.29812
2004-01-01 0.33640
2004-04-01 0.08308
2004-07-01 0.07309
2004-10-01 0.05017
2005-01-01 0.07244
2005-04-01 0.06755
2005-07-01 0.06768
2005-10-01 0.11287
2006-01-01 0.37374
2006-04-01 0.38949
2006-07-01 0.45274
2006-10-01 0.44704
2007-01-01 0.21525
2007-04-01 0.19920
2007-07-01 0.12232
2007-10-01 0.17690
2008-01-01 0.29005
2008-04-01 0.27503
2008-07-01 0.29294
2008-10-01 0.49749
2009-01-01 0.30335
2009-04-01 0.29332
2009-07-01 0.43610
2009-10-01 0.26433
2010-01-01 0.32172
2010-04-01 0.38393
2010-07-01 0.46521
2010-10-01 0.80215
2011-01-01 0.92542
2011-04-01 1.47676
2011-07-01 2.21294
2011-10-01 1.77354
2012-01-01 2.81133
2012-04-01 3.21514
2012-07-01 2.63177
2012-10-01 2.21875
2013-01-01 2.65161
2013-04-01 3.38461
2013-07-01 3.37417
2013-10-01 4.50714
2014-01-01 6.18198
2014-04-01 7.14434
2014-07-01 6.50964
2014-10-01 6.14225
2015-01-01 7.21942
2015-04-01 5.47643