Quarterly Billions of US Dollars
1987-01-01 6.130
1987-04-01 6.632
1987-07-01 5.020
1987-10-01 1.146
1988-01-01 6.437
1988-04-01 9.166
1988-07-01 6.067
1988-10-01 9.236
1989-01-01 7.120
1989-04-01 6.335
1989-07-01 5.047
1989-10-01 8.629
1990-01-01 5.533
1990-04-01 6.274
1990-07-01 9.713
1990-10-01 7.803
1991-01-01 5.099
1991-04-01 9.467
1991-07-01 6.780
1991-10-01 4.501
1992-01-01 8.190
1992-04-01 4.313
1992-07-01 5.039
1992-10-01 2.190
1993-01-01 5.577
1993-04-01 8.563
1993-07-01 32.893
1993-10-01 11.887
1994-01-01 16.580
1994-04-01 14.298
1994-07-01 12.897
1994-10-01 5.785
1995-01-01 13.482
1995-04-01 13.235
1995-07-01 28.008
1995-10-01 22.770
1996-01-01 33.917
1996-04-01 33.940
1996-07-01 27.488
1996-10-01 39.567
1997-01-01 40.954
1997-04-01 34.261
1997-07-01 33.170
1997-10-01 24.404
1998-01-01 49.946
1998-04-01 62.684
1998-07-01 39.438
1998-10-01 30.440
1999-01-01 84.478
1999-04-01 108.150
1999-07-01 99.223
1999-10-01 51.726
2000-01-01 72.343
2000-04-01 86.602
2000-07-01 105.900
2000-10-01 133.723
2001-01-01 160.913
2001-04-01 139.307
2001-07-01 92.550
2001-10-01 158.989
2002-01-01 131.480
2002-04-01 134.812
2002-07-01 84.995
2002-10-01 91.297
2003-01-01 104.589
2003-04-01 102.229
2003-07-01 128.476
2003-10-01 153.799
2004-01-01 111.210
2004-04-01 123.973
2004-07-01 106.884
2004-10-01 129.400
2005-01-01 86.854
2005-04-01 141.825
2005-07-01 55.561
2005-10-01 188.305
2006-01-01 113.689
2006-04-01 227.744
2006-07-01 193.299
2006-10-01 282.292
2007-01-01 224.210
2007-04-01 322.533
2007-07-01 33.500
2007-10-01 99.692
2008-01-01 57.635
2008-04-01 255.596
2008-07-01 113.987
2008-10-01 330.851
2009-01-01 276.599
2009-04-01 178.895
2009-07-01 128.536
2009-10-01 107.896
2010-01-01 8.902
2010-04-01 -24.911
2010-07-01 28.439
2010-10-01 13.341
2011-01-01 -45.123
2011-04-01 -21.955
2011-07-01 13.712
2011-10-01 108.504
2012-01-01 92.111
2012-04-01 -86.848
2012-07-01 20.157
2012-10-01 67.745
2013-01-01 9.953
2013-04-01 8.921
2013-07-01 -3.922
2013-10-01 -15.989
2014-01-01 -34.918
2014-04-01 49.246
2014-07-01 7.618
2014-10-01 -26.428
2015-01-01 60.135
2015-04-01 82.601