Quarterly Billions of US Dollars
1987-01-01 0.013
1987-04-01 0.013
1987-07-01 0.039
1987-10-01 0.046
1988-01-01 0.074
1988-04-01 0.067
1988-07-01 0.065
1988-10-01 0.068
1989-01-01 0.064
1989-04-01 0.057
1989-07-01 0.447
1989-10-01 0.446
1990-01-01 0.459
1990-04-01 0.479
1990-07-01 0.520
1990-10-01 0.536
1991-01-01 0.460
1991-04-01 0.445
1991-07-01 0.515
1991-10-01 0.550
1992-01-01 0.774
1992-04-01 0.838
1992-07-01 0.819
1992-10-01 1.157
1993-01-01 1.168
1993-04-01 1.298
1993-07-01 1.666
1993-10-01 1.816
1994-01-01 1.812
1994-04-01 1.820
1994-07-01 1.738
1994-10-01 1.692
1995-01-01 1.910
1995-04-01 2.163
1995-07-01 2.226
1995-10-01 3.319
1996-01-01 7.288
1996-04-01 7.532
1996-07-01 7.822
1996-10-01 8.580
1997-01-01 8.974
1997-04-01 9.515
1997-07-01 9.859
1997-10-01 9.873
1998-01-01 11.023
1998-04-01 11.425
1998-07-01 12.974
1998-10-01 12.586
1999-01-01 13.690
1999-04-01 14.630
1999-07-01 16.415
1999-10-01 17.152
2000-01-01 17.387
2000-04-01 19.146
2000-07-01 18.983
2000-10-01 19.323
2001-01-01 21.953
2001-04-01 22.642
2001-07-01 24.224
2001-10-01 23.760
2002-01-01 24.778
2002-04-01 26.833
2002-07-01 29.164
2002-10-01 34.515
2003-01-01 36.662
2003-04-01 41.272
2003-07-01 46.087
2003-10-01 51.525
2004-01-01 54.929
2004-04-01 55.996
2004-07-01 61.917
2004-10-01 72.864
2005-01-01 74.383
2005-04-01 76.829
2005-07-01 82.331
2005-10-01 86.791
2006-01-01 93.074
2006-04-01 106.823
2006-07-01 119.425
2006-10-01 131.613
2007-01-01 163.694
2007-04-01 187.182
2007-07-01 221.276
2007-10-01 235.912
2008-01-01 255.619
2008-04-01 291.071
2008-07-01 267.872
2008-10-01 287.181
2009-01-01 299.477
2009-04-01 320.671
2009-07-01 341.380
2009-10-01 339.989
2010-01-01 316.029
2010-04-01 299.259
2010-07-01 321.691
2010-10-01 334.954
2011-01-01 317.497
2011-04-01 316.207
2011-07-01 295.870
2011-10-01 286.217
2012-01-01 332.131
2012-04-01 322.094
2012-07-01 329.905
2012-10-01 336.367
2013-01-01 327.285
2013-04-01 326.244
2013-07-01 340.419
2013-10-01 352.892
2014-01-01 315.067
2014-04-01 308.546
2014-07-01 286.459
2014-10-01 252.101
2015-01-01 204.683
2015-04-01 225.375