Quarterly Billions of US Dollars
1987-01-01 2.206
1987-04-01 2.233
1987-07-01 2.332
1987-10-01 2.518
1988-01-01 2.535
1988-04-01 2.893
1988-07-01 3.556
1988-10-01 3.821
1989-01-01 3.979
1989-04-01 3.377
1989-07-01 4.029
1989-10-01 4.460
1990-01-01 5.334
1990-04-01 6.294
1990-07-01 8.064
1990-10-01 7.669
1991-01-01 7.194
1991-04-01 7.722
1991-07-01 8.516
1991-10-01 9.409
1992-01-01 9.256
1992-04-01 10.389
1992-07-01 10.863
1992-10-01 10.152
1993-01-01 9.579
1993-04-01 13.015
1993-07-01 22.311
1993-10-01 24.331
1994-01-01 27.640
1994-04-01 29.793
1994-07-01 31.485
1994-10-01 33.230
1995-01-01 36.477
1995-04-01 37.127
1995-07-01 38.611
1995-10-01 39.588
1996-01-01 44.120
1996-04-01 46.930
1996-07-01 48.716
1996-10-01 54.280
1997-01-01 52.516
1997-04-01 52.960
1997-07-01 54.487
1997-10-01 54.959
1998-01-01 60.870
1998-04-01 64.732
1998-07-01 70.532
1998-10-01 70.287
1999-01-01 75.335
1999-04-01 79.867
1999-07-01 87.865
1999-10-01 88.432
2000-01-01 92.176
2000-04-01 98.204
2000-07-01 96.801
2000-10-01 103.955
2001-01-01 107.370
2001-04-01 104.999
2001-07-01 110.289
2001-10-01 112.437
2002-01-01 112.965
2002-04-01 133.841
2002-07-01 132.038
2002-10-01 141.866
2003-01-01 157.797
2003-04-01 171.213
2003-07-01 177.101
2003-10-01 203.516
2004-01-01 195.249
2004-04-01 188.447
2004-07-01 186.110
2004-10-01 207.118
2005-01-01 207.144
2005-04-01 211.509
2005-07-01 213.334
2005-10-01 241.692
2006-01-01 287.172
2006-04-01 321.865
2006-07-01 339.563
2006-10-01 355.747
2007-01-01 395.658
2007-04-01 415.665
2007-07-01 454.119
2007-10-01 466.535
2008-01-01 492.233
2008-04-01 519.773
2008-07-01 500.882
2008-10-01 454.150
2009-01-01 443.052
2009-04-01 471.961
2009-07-01 477.150
2009-10-01 465.101
2010-01-01 434.266
2010-04-01 380.557
2010-07-01 443.079
2010-10-01 421.404
2011-01-01 439.960
2011-04-01 441.132
2011-07-01 395.629
2011-10-01 366.755
2012-01-01 404.989
2012-04-01 362.564
2012-07-01 362.472
2012-10-01 350.589
2013-01-01 329.728
2013-04-01 320.409
2013-07-01 303.550
2013-10-01 311.038
2014-01-01 306.360
2014-04-01 310.716
2014-07-01 289.919
2014-10-01 271.963
2015-01-01 256.667
2015-04-01 256.490