Quarterly Billions of US Dollars
1987-01-01 6.623
1987-04-01 6.748
1987-07-01 7.325
1987-10-01 7.315
1988-01-01 6.968
1988-04-01 7.467
1988-07-01 7.643
1988-10-01 7.340
1989-01-01 7.709
1989-04-01 7.412
1989-07-01 7.338
1989-10-01 7.250
1990-01-01 6.832
1990-04-01 6.682
1990-07-01 6.856
1990-10-01 6.630
1991-01-01 5.834
1991-04-01 5.448
1991-07-01 5.369
1991-10-01 5.159
1992-01-01 4.422
1992-04-01 4.323
1992-07-01 4.433
1992-10-01 3.707
1993-01-01 3.322
1993-04-01 2.703
1993-07-01 2.524
1993-10-01 2.329
1994-01-01 2.124
1994-04-01 1.912
1994-07-01 1.862
1994-10-01 1.531
1995-01-01 1.514
1995-04-01 1.492
1995-07-01 1.465
1995-10-01 1.415
1996-01-01 1.721
1996-04-01 1.612
1996-07-01 1.722
1996-10-01 2.480
1997-01-01 2.611
1997-04-01 2.800
1997-07-01 5.063
1997-10-01 5.766
1998-01-01 6.304
1998-04-01 8.639
1998-07-01 9.142
1998-10-01 8.863
1999-01-01 8.703
1999-04-01 9.813
1999-07-01 10.325
1999-10-01 9.699
2000-01-01 10.831
2000-04-01 12.092
2000-07-01 12.314
2000-10-01 13.238
2001-01-01 14.948
2001-04-01 15.023
2001-07-01 16.277
2001-10-01 16.739
2002-01-01 17.478
2002-04-01 19.221
2002-07-01 18.863
2002-10-01 19.874
2003-01-01 22.384
2003-04-01 24.271
2003-07-01 27.352
2003-10-01 30.718
2004-01-01 31.324
2004-04-01 32.038
2004-07-01 33.174
2004-10-01 39.863
2005-01-01 40.587
2005-04-01 40.246
2005-07-01 39.894
2005-10-01 42.789
2006-01-01 46.599
2006-04-01 55.661
2006-07-01 59.510
2006-10-01 67.430
2007-01-01 73.736
2007-04-01 74.013
2007-07-01 79.258
2007-10-01 90.779
2008-01-01 108.208
2008-04-01 116.949
2008-07-01 109.236
2008-10-01 108.941
2009-01-01 106.925
2009-04-01 113.379
2009-07-01 121.810
2009-10-01 118.634
2010-01-01 123.891
2010-04-01 122.984
2010-07-01 138.570
2010-10-01 135.627
2011-01-01 158.666
2011-04-01 164.444
2011-07-01 160.158
2011-10-01 170.195
2012-01-01 193.402
2012-04-01 197.095
2012-07-01 205.479
2012-10-01 200.942
2013-01-01 197.973
2013-04-01 205.649
2013-07-01 208.948
2013-10-01 215.850
2014-01-01 218.632
2014-04-01 212.432
2014-07-01 201.364
2014-10-01 198.300
2015-01-01 188.057
2015-04-01 184.100