Quarterly Billions of US Dollars
1987-01-01 2.694
1987-04-01 3.151
1987-07-01 3.308
1987-10-01 3.637
1988-01-01 3.873
1988-04-01 3.854
1988-07-01 4.073
1988-10-01 4.405
1989-01-01 4.277
1989-04-01 4.516
1989-07-01 4.667
1989-10-01 5.013
1990-01-01 4.739
1990-04-01 4.758
1990-07-01 5.250
1990-10-01 5.288
1991-01-01 4.790
1991-04-01 4.307
1991-07-01 5.209
1991-10-01 5.890
1992-01-01 5.750
1992-04-01 6.478
1992-07-01 6.549
1992-10-01 5.950
1993-01-01 5.689
1993-04-01 4.913
1993-07-01 5.344
1993-10-01 5.005
1994-01-01 5.053
1994-04-01 4.801
1994-07-01 4.581
1994-10-01 4.963
1995-01-01 5.658
1995-04-01 5.420
1995-07-01 5.392
1995-10-01 5.469
1996-01-01 5.777
1996-04-01 5.442
1996-07-01 5.140
1996-10-01 4.699
1997-01-01 5.528
1997-04-01 6.011
1997-07-01 6.395
1997-10-01 6.565
1998-01-01 7.147
1998-04-01 10.566
1998-07-01 12.815
1998-10-01 13.786
1999-01-01 17.934
1999-04-01 33.129
1999-07-01 43.947
1999-10-01 49.475
2000-01-01 50.999
2000-04-01 55.044
2000-07-01 57.469
2000-10-01 70.222
2001-01-01 72.938
2001-04-01 83.557
2001-07-01 94.921
2001-10-01 106.997
2002-01-01 110.291
2002-04-01 124.604
2002-07-01 129.022
2002-10-01 148.250
2003-01-01 169.627
2003-04-01 179.841
2003-07-01 187.042
2003-10-01 212.790
2004-01-01 211.157
2004-04-01 212.569
2004-07-01 207.549
2004-10-01 234.457
2005-01-01 220.505
2005-04-01 223.507
2005-07-01 222.970
2005-10-01 233.756
2006-01-01 240.545
2006-04-01 258.335
2006-07-01 266.278
2006-10-01 287.978
2007-01-01 299.854
2007-04-01 316.657
2007-07-01 333.411
2007-10-01 341.772
2008-01-01 365.918
2008-04-01 370.550
2008-07-01 352.374
2008-10-01 395.206
2009-01-01 393.936
2009-04-01 425.436
2009-07-01 470.109
2009-10-01 481.175
2010-01-01 448.085
2010-04-01 409.677
2010-07-01 450.878
2010-10-01 445.874
2011-01-01 471.845
2011-04-01 476.905
2011-07-01 442.235
2011-10-01 433.698
2012-01-01 420.324
2012-04-01 389.831
2012-07-01 393.211
2012-10-01 398.992
2013-01-01 386.241
2013-04-01 390.157
2013-07-01 408.584
2013-10-01 414.140
2014-01-01 416.855
2014-04-01 423.308
2014-07-01 387.829
2014-10-01 376.344
2015-01-01 344.495
2015-04-01 359.139