Quarterly Billions of US Dollars
1987-01-01 2.912
1987-04-01 3.030
1987-07-01 3.151
1987-10-01 3.455
1988-01-01 3.493
1988-04-01 3.184
1988-07-01 3.293
1988-10-01 3.903
1989-01-01 3.929
1989-04-01 4.469
1989-07-01 4.898
1989-10-01 5.656
1990-01-01 6.824
1990-04-01 7.144
1990-07-01 7.105
1990-10-01 7.396
1991-01-01 7.435
1991-04-01 7.090
1991-07-01 7.869
1991-10-01 8.228
1992-01-01 8.164
1992-04-01 8.579
1992-07-01 9.151
1992-10-01 8.247
1993-01-01 8.000
1993-04-01 7.739
1993-07-01 9.437
1993-10-01 8.912
1994-01-01 8.916
1994-04-01 9.127
1994-07-01 9.411
1994-10-01 9.317
1995-01-01 10.335
1995-04-01 10.616
1995-07-01 11.190
1995-10-01 11.216
1996-01-01 12.223
1996-04-01 12.888
1996-07-01 13.097
1996-10-01 13.873
1997-01-01 15.530
1997-04-01 18.260
1997-07-01 24.326
1997-10-01 25.838
1998-01-01 27.868
1998-04-01 31.329
1998-07-01 36.747
1998-10-01 36.729
1999-01-01 36.733
1999-04-01 39.277
1999-07-01 46.751
1999-10-01 50.567
2000-01-01 48.255
2000-04-01 48.869
2000-07-01 53.453
2000-10-01 74.007
2001-01-01 78.746
2001-04-01 81.804
2001-07-01 88.993
2001-10-01 98.927
2002-01-01 101.885
2002-04-01 118.457
2002-07-01 129.961
2002-10-01 143.751
2003-01-01 151.432
2003-04-01 166.514
2003-07-01 175.823
2003-10-01 200.998
2004-01-01 200.384
2004-04-01 211.896
2004-07-01 215.877
2004-10-01 241.208
2005-01-01 239.878
2005-04-01 237.669
2005-07-01 247.149
2005-10-01 279.443
2006-01-01 296.992
2006-04-01 331.112
2006-07-01 347.053
2006-10-01 390.292
2007-01-01 420.604
2007-04-01 444.624
2007-07-01 460.735
2007-10-01 469.292
2008-01-01 503.473
2008-04-01 538.399
2008-07-01 501.716
2008-10-01 507.040
2009-01-01 515.500
2009-04-01 560.661
2009-07-01 584.982
2009-10-01 573.277
2010-01-01 562.707
2010-04-01 523.499
2010-07-01 590.854
2010-10-01 577.822
2011-01-01 607.177
2011-04-01 623.407
2011-07-01 590.942
2011-10-01 597.824
2012-01-01 612.415
2012-04-01 584.235
2012-07-01 593.003
2012-10-01 609.644
2013-01-01 592.409
2013-04-01 597.981
2013-07-01 616.198
2013-10-01 604.322
2014-01-01 628.194
2014-04-01 634.249
2014-07-01 594.800
2014-10-01 586.833
2015-01-01 529.338
2015-04-01 560.928