Quarterly Billions of US Dollars
1987-01-01 5.382
1987-04-01 5.635
1987-07-01 5.536
1987-10-01 6.452
1988-01-01 6.025
1988-04-01 5.820
1988-07-01 6.092
1988-10-01 6.396
1989-01-01 6.124
1989-04-01 6.019
1989-07-01 6.107
1989-10-01 6.284
1990-01-01 6.289
1990-04-01 6.143
1990-07-01 6.903
1990-10-01 7.108
1991-01-01 7.513
1991-04-01 8.519
1991-07-01 8.872
1991-10-01 9.166
1992-01-01 9.370
1992-04-01 9.905
1992-07-01 10.937
1992-10-01 10.409
1993-01-01 11.208
1993-04-01 11.840
1993-07-01 15.620
1993-10-01 15.677
1994-01-01 17.902
1994-04-01 19.465
1994-07-01 21.267
1994-10-01 21.894
1995-01-01 24.739
1995-04-01 26.471
1995-07-01 27.092
1995-10-01 28.716
1996-01-01 30.587
1996-04-01 32.239
1996-07-01 37.402
1996-10-01 42.101
1997-01-01 44.819
1997-04-01 48.618
1997-07-01 50.009
1997-10-01 48.046
1998-01-01 46.165
1998-04-01 45.122
1998-07-01 44.140
1998-10-01 44.281
1999-01-01 42.304
1999-04-01 41.158
1999-07-01 40.372
1999-10-01 40.728
2000-01-01 41.038
2000-04-01 40.357
2000-07-01 39.022
2000-10-01 37.115
2001-01-01 35.310
2001-04-01 33.781
2001-07-01 30.864
2001-10-01 30.367
2002-01-01 28.904
2002-04-01 29.560
2002-07-01 29.452
2002-10-01 30.025
2003-01-01 30.581
2003-04-01 33.624
2003-07-01 36.376
2003-10-01 38.875
2004-01-01 42.923
2004-04-01 44.545
2004-07-01 46.975
2004-10-01 51.706
2005-01-01 55.227
2005-04-01 56.174
2005-07-01 57.442
2005-10-01 62.715
2006-01-01 64.389
2006-04-01 70.263
2006-07-01 75.401
2006-10-01 79.568
2007-01-01 90.553
2007-04-01 100.306
2007-07-01 103.887
2007-10-01 108.174
2008-01-01 112.785
2008-04-01 116.212
2008-07-01 113.955
2008-10-01 105.892
2009-01-01 105.120
2009-04-01 111.493
2009-07-01 113.838
2009-10-01 111.550
2010-01-01 116.229
2010-04-01 116.513
2010-07-01 122.279
2010-10-01 132.972
2011-01-01 141.604
2011-04-01 153.153
2011-07-01 154.423
2011-10-01 161.106
2012-01-01 179.037
2012-04-01 184.164
2012-07-01 199.401
2012-10-01 201.387
2013-01-01 211.976
2013-04-01 220.520
2013-07-01 238.876
2013-10-01 259.227
2014-01-01 283.933
2014-04-01 306.609
2014-07-01 320.442
2014-10-01 344.708
2015-01-01 343.440
2015-04-01 352.554