Quarterly Billions of US Dollars
1987-01-01 0.0070
1988-07-01 0.1430
1988-10-01 0.0610
1989-01-01 0.1420
1989-04-01 0.1160
1989-07-01 0.1150
1989-10-01 0.0810
1990-01-01 0.0580
1990-04-01 0.1000
1990-07-01 0.1760
1990-10-01 0.0870
1991-01-01 0.1990
1991-04-01 0.3310
1991-07-01 0.2730
1991-10-01 0.1520
1992-01-01 0.1590
1992-04-01 0.2710
1992-07-01 0.2600
1992-10-01 0.1580
1993-01-01 0.1160
1993-04-01 0.2680
1993-07-01 0.7036
1993-10-01 0.7285
1994-01-01 1.1551
1994-04-01 1.6899
1994-07-01 1.5430
1994-10-01 1.1556
1995-01-01 1.7633
1995-04-01 1.9185
1995-07-01 1.9668
1995-10-01 1.4310
1996-01-01 2.3128
1996-04-01 2.5705
1996-07-01 4.1785
1996-10-01 3.7051
1997-01-01 4.8058
1997-04-01 7.8744
1997-07-01 7.2686
1997-10-01 5.9632
1998-01-01 5.6396
1998-04-01 5.3241
1998-07-01 5.3286
1998-10-01 5.2559
1999-01-01 5.8887
1999-04-01 5.2713
1999-07-01 6.7969
1999-10-01 7.3291
2000-01-01 7.6067
2000-04-01 8.8786
2000-07-01 7.9503
2000-10-01 9.5595
2001-01-01 8.6374
2001-04-01 11.6206
2001-07-01 8.3900
2001-10-01 9.4806
2002-01-01 8.3615
2002-04-01 8.5097
2002-07-01 8.3212
2002-10-01 9.1918
2003-01-01 10.4175
2003-04-01 10.1137
2003-07-01 8.9169
2003-10-01 11.1489
2004-01-01 15.0231
2004-04-01 12.4296
2004-07-01 11.7653
2004-10-01 13.0319
2005-01-01 14.8506
2005-04-01 15.0194
2005-07-01 14.6404
2005-10-01 14.7387
2006-01-01 16.4086
2006-04-01 20.5494
2006-07-01 22.8598
2006-10-01 25.7653
2007-01-01 30.4910
2007-04-01 25.4300
2007-07-01 35.3467
2007-10-01 29.3365
2008-01-01 40.2940
2008-04-01 43.3012
2008-07-01 31.9726
2008-10-01 17.2647
2009-01-01 16.7109
2009-04-01 17.3443
2009-07-01 16.2885
2009-10-01 11.9483
2010-01-01 10.3286
2010-04-01 10.9873
2010-07-01 9.0096
2010-10-01 10.5380
2011-01-01 12.2293
2011-04-01 14.2638
2011-07-01 16.1403
2011-10-01 14.6565
2012-01-01 15.1730
2012-04-01 12.0367
2012-07-01 12.7700
2012-10-01 9.4827
2013-01-01 10.9522
2013-04-01 16.1648
2013-07-01 13.6192
2013-10-01 15.5941
2014-01-01 19.3443
2014-04-01 25.1973
2014-07-01 30.7010
2014-10-01 30.7820
2015-01-01 29.8765
2015-04-01 30.2648