Quarterly Billions of US Dollars
1987-01-01 1.483
1987-04-01 1.459
1987-07-01 1.534
1987-10-01 1.804
1988-01-01 1.751
1988-04-01 1.601
1988-07-01 1.717
1988-10-01 1.954
1989-01-01 1.817
1989-04-01 1.950
1989-07-01 2.011
1989-10-01 2.689
1990-01-01 2.739
1990-04-01 2.903
1990-07-01 3.334
1990-10-01 3.584
1991-01-01 3.509
1991-04-01 3.439
1991-07-01 3.857
1991-10-01 4.214
1992-01-01 4.018
1992-04-01 4.390
1992-07-01 4.665
1992-10-01 4.226
1993-01-01 4.256
1993-04-01 4.131
1993-07-01 4.732
1993-10-01 4.448
1994-01-01 4.381
1994-04-01 4.756
1994-07-01 4.912
1994-10-01 5.097
1995-01-01 6.427
1995-04-01 6.972
1995-07-01 7.283
1995-10-01 7.977
1996-01-01 7.728
1996-04-01 7.749
1996-07-01 8.882
1996-10-01 9.069
1997-01-01 8.693
1997-04-01 9.181
1997-07-01 9.435
1997-10-01 9.656
1998-01-01 9.586
1998-04-01 13.636
1998-07-01 14.466
1998-10-01 15.075
1999-01-01 15.015
1999-04-01 16.315
1999-07-01 20.590
1999-10-01 21.190
2000-01-01 20.517
2000-04-01 21.918
2000-07-01 20.913
2000-10-01 24.367
2001-01-01 29.150
2001-04-01 28.943
2001-07-01 34.519
2001-10-01 39.728
2002-01-01 43.723
2002-04-01 52.707
2002-07-01 53.145
2002-10-01 58.713
2003-01-01 66.159
2003-04-01 72.659
2003-07-01 77.300
2003-10-01 95.925
2004-01-01 99.991
2004-04-01 107.824
2004-07-01 109.523
2004-10-01 123.338
2005-01-01 126.173
2005-04-01 134.413
2005-07-01 148.818
2005-10-01 159.173
2006-01-01 163.254
2006-04-01 180.290
2006-07-01 198.106
2006-10-01 216.094
2007-01-01 222.767
2007-04-01 229.300
2007-07-01 246.158
2007-10-01 263.138
2008-01-01 280.223
2008-04-01 289.337
2008-07-01 265.595
2008-10-01 257.289
2009-01-01 243.196
2009-04-01 258.069
2009-07-01 286.140
2009-10-01 293.191
2010-01-01 281.381
2010-04-01 263.958
2010-07-01 274.447
2010-10-01 274.232
2011-01-01 286.420
2011-04-01 295.313
2011-07-01 284.884
2011-10-01 276.738
2012-01-01 291.399
2012-04-01 281.274
2012-07-01 291.156
2012-10-01 295.688
2013-01-01 301.923
2013-04-01 325.868
2013-07-01 337.027
2013-10-01 350.489
2014-01-01 363.880
2014-04-01 373.475
2014-07-01 353.997
2014-10-01 344.815
2015-01-01 347.383
2015-04-01 366.048