Quarterly Billions of US Dollars
1987-01-01 2.748
1987-04-01 3.049
1987-07-01 3.345
1987-10-01 3.508
1988-01-01 3.286
1988-04-01 3.250
1988-07-01 3.218
1988-10-01 3.520
1989-01-01 3.454
1989-04-01 2.946
1989-07-01 3.402
1989-10-01 3.435
1990-01-01 3.700
1990-04-01 4.181
1990-07-01 4.981
1990-10-01 5.162
1991-01-01 4.809
1991-04-01 5.067
1991-07-01 6.097
1991-10-01 7.037
1992-01-01 7.354
1992-04-01 9.205
1992-07-01 10.744
1992-10-01 11.262
1993-01-01 13.499
1993-04-01 16.290
1993-07-01 18.987
1993-10-01 21.510
1994-01-01 26.045
1994-04-01 28.603
1994-07-01 34.982
1994-10-01 39.960
1995-01-01 46.258
1995-04-01 50.562
1995-07-01 56.087
1995-10-01 63.058
1996-01-01 69.624
1996-04-01 74.828
1996-07-01 79.863
1996-10-01 90.711
1997-01-01 98.631
1997-04-01 106.786
1997-07-01 111.694
1997-10-01 112.938
1998-01-01 123.825
1998-04-01 133.619
1998-07-01 144.305
1998-10-01 147.536
1999-01-01 154.907
1999-04-01 166.850
1999-07-01 197.597
1999-10-01 209.095
2000-01-01 214.857
2000-04-01 237.397
2000-07-01 234.815
2000-10-01 251.750
2001-01-01 261.110
2001-04-01 264.252
2001-07-01 292.334
2001-10-01 287.178
2002-01-01 297.766
2002-04-01 337.756
2002-07-01 347.657
2002-10-01 374.698
2003-01-01 408.383
2003-04-01 429.645
2003-07-01 445.803
2003-10-01 497.762
2004-01-01 531.264
2004-04-01 542.931
2004-07-01 583.108
2004-10-01 636.364
2005-01-01 628.450
2005-04-01 612.663
2005-07-01 616.186
2005-10-01 601.518
2006-01-01 631.641
2006-04-01 667.072
2006-07-01 671.544
2006-10-01 701.511
2007-01-01 738.946
2007-04-01 766.367
2007-07-01 802.681
2007-10-01 837.943
2008-01-01 887.277
2008-04-01 882.070
2008-07-01 779.004
2008-10-01 743.525
2009-01-01 653.153
2009-04-01 670.783
2009-07-01 670.053
2009-10-01 648.690
2010-01-01 614.313
2010-04-01 573.036
2010-07-01 613.991
2010-10-01 600.698
2011-01-01 640.487
2011-04-01 644.677
2011-07-01 623.535
2011-10-01 611.901
2012-01-01 635.808
2012-04-01 623.225
2012-07-01 622.782
2012-10-01 623.039
2013-01-01 592.045
2013-04-01 592.774
2013-07-01 596.244
2013-10-01 593.537
2014-01-01 595.426
2014-04-01 588.353
2014-07-01 559.873
2014-10-01 546.387
2015-01-01 512.988
2015-04-01 515.099