Quarterly Billions of US Dollars
1987-01-01 0.10288
1987-04-01 0.10204
1987-07-01 0.10249
1987-10-01 0.12146
1988-01-01 0.11962
1988-04-01 0.11329
1988-07-01 0.11148
1988-10-01 0.11919
1989-01-01 0.11359
1989-04-01 0.10409
1989-07-01 0.10768
1989-10-01 0.10457
1990-01-01 0.09542
1990-04-01 0.09810
1990-07-01 0.10885
1990-10-01 0.11161
1991-01-01 0.10638
1991-04-01 0.10877
1991-07-01 0.11291
1991-10-01 0.11981
1992-01-01 0.11261
1992-04-01 0.11952
1992-07-01 0.12584
1992-10-01 0.12024
1993-01-01 0.12892
1993-04-01 0.14052
1993-07-01 0.14265
1993-10-01 0.23411
1994-01-01 0.24542
1994-04-01 0.25144
1994-07-01 0.25236
1994-10-01 0.20026
1995-01-01 0.21192
1995-04-01 0.21820
1995-07-01 0.25086
1995-10-01 0.39862
1996-01-01 0.44705
1996-04-01 0.42000
1996-07-01 0.57000
1996-10-01 0.57000
1997-01-01 0.57000
1997-04-01 0.57000
1997-07-01 0.82000
1997-10-01 0.86000
1998-01-01 0.86000
1998-04-01 0.86000
1998-07-01 0.86000
1998-10-01 0.86000
1999-01-01 0.86000
1999-04-01 0.86000
1999-07-01 0.96000
1999-10-01 0.96000
2000-01-01 0.96000
2000-04-01 0.96000
2000-07-01 0.96000
2000-10-01 0.96000
2001-01-01 0.96000
2001-04-01 0.96000
2001-07-01 0.81000
2001-10-01 0.81000
2002-01-01 0.81000
2002-04-01 0.91000
2002-07-01 0.81000
2002-10-01 0.66000
2003-01-01 0.59000
2003-04-01 0.59000
2003-07-01 0.59000
2003-10-01 0.59000
2004-01-01 0.59000
2004-04-01 0.49000
2004-07-01 0.30000
2004-10-01 0.30000
2005-01-01 0.42110
2005-04-01 0.41775
2005-07-01 0.91489
2005-10-01 0.91020
2006-01-01 0.91073
2006-04-01 0.91309
2006-07-01 0.81036
2006-10-01 0.90929
2007-01-01 1.03799
2007-04-01 1.02722
2007-07-01 1.04337
2007-10-01 1.04561
2008-01-01 1.07972
2008-04-01 1.06316
2008-07-01 1.06846
2008-10-01 2.10854
2009-01-01 2.08542
2009-04-01 2.09182
2009-07-01 2.01191
2009-10-01 2.00415
2010-01-01 1.86086
2010-04-01 1.86930
2010-07-01 1.37986
2010-10-01 1.38416
2011-01-01 2.08044
2011-04-01 2.53583
2011-07-01 2.54575
2011-10-01 2.44300
2012-01-01 2.47146
2012-04-01 2.45934
2012-07-01 2.46379
2012-10-01 2.76820
2013-01-01 2.76006
2013-04-01 3.23913
2013-07-01 3.24934
2013-10-01 3.25096
2014-01-01 3.75391
2014-04-01 3.75487
2014-07-01 3.28373
2014-10-01 3.26709
2015-01-01 3.45986
2015-04-01 3.47481