Quarterly Billions of US Dollars
1987-01-01 5.172
1987-04-01 4.888
1987-07-01 5.088
1987-10-01 5.283
1988-01-01 5.471
1988-04-01 5.289
1988-07-01 4.631
1988-10-01 4.838
1989-01-01 4.626
1989-04-01 4.332
1989-07-01 4.549
1989-10-01 4.873
1990-01-01 5.160
1990-04-01 5.706
1990-07-01 6.430
1990-10-01 6.420
1991-01-01 6.405
1991-04-01 6.587
1991-07-01 6.766
1991-10-01 7.356
1992-01-01 7.271
1992-04-01 8.310
1992-07-01 9.760
1992-10-01 9.479
1993-01-01 9.594
1993-04-01 10.956
1993-07-01 12.322
1993-10-01 12.996
1994-01-01 14.394
1994-04-01 15.984
1994-07-01 15.980
1994-10-01 15.782
1995-01-01 17.043
1995-04-01 16.503
1995-07-01 15.770
1995-10-01 15.991
1996-01-01 15.584
1996-04-01 18.793
1996-07-01 19.937
1996-10-01 20.886
1997-01-01 20.967
1997-04-01 21.306
1997-07-01 21.486
1997-10-01 25.567
1998-01-01 32.294
1998-04-01 33.257
1998-07-01 39.853
1998-10-01 43.216
1999-01-01 42.209
1999-04-01 43.472
1999-07-01 44.254
1999-10-01 46.499
2000-01-01 47.656
2000-04-01 48.756
2000-07-01 49.012
2000-10-01 58.095
2001-01-01 57.357
2001-04-01 60.223
2001-07-01 67.371
2001-10-01 71.597
2002-01-01 75.325
2002-04-01 92.346
2002-07-01 95.442
2002-10-01 104.091
2003-01-01 113.067
2003-04-01 135.577
2003-07-01 145.771
2003-10-01 161.050
2004-01-01 162.908
2004-04-01 172.183
2004-07-01 183.171
2004-10-01 217.442
2005-01-01 218.828
2005-04-01 215.242
2005-07-01 215.529
2005-10-01 213.953
2006-01-01 225.460
2006-04-01 234.790
2006-07-01 233.375
2006-10-01 258.391
2007-01-01 261.117
2007-04-01 270.862
2007-07-01 284.230
2007-10-01 305.892
2008-01-01 319.016
2008-04-01 322.121
2008-07-01 306.415
2008-10-01 329.415
2009-01-01 351.637
2009-04-01 434.000
2009-07-01 444.121
2009-10-01 459.132
2010-01-01 447.718
2010-04-01 434.364
2010-07-01 480.012
2010-10-01 483.623
2011-01-01 526.878
2011-04-01 531.504
2011-07-01 514.675
2011-10-01 508.061
2012-01-01 537.592
2012-04-01 492.808
2012-07-01 513.560
2012-10-01 505.939
2013-01-01 487.968
2013-04-01 495.590
2013-07-01 499.124
2013-10-01 497.021
2014-01-01 508.747
2014-04-01 490.205
2014-07-01 464.854
2014-10-01 448.973
2015-01-01 423.838
2015-04-01 430.741