Quarterly Billions of US Dollars
1987-01-01 2.352
1987-04-01 2.504
1987-07-01 2.830
1987-10-01 2.943
1988-01-01 3.151
1988-04-01 4.050
1988-07-01 4.528
1988-10-01 4.513
1989-01-01 5.471
1989-04-01 5.883
1989-07-01 6.468
1989-10-01 6.843
1990-01-01 8.377
1990-04-01 8.618
1990-07-01 10.219
1990-10-01 10.232
1991-01-01 9.944
1991-04-01 9.233
1991-07-01 9.842
1991-10-01 9.162
1992-01-01 8.489
1992-04-01 9.409
1992-07-01 10.044
1992-10-01 8.940
1993-01-01 8.736
1993-04-01 8.711
1993-07-01 9.515
1993-10-01 10.624
1994-01-01 11.249
1994-04-01 11.315
1994-07-01 12.326
1994-10-01 12.780
1995-01-01 12.598
1995-04-01 12.116
1995-07-01 11.727
1995-10-01 11.887
1996-01-01 12.533
1996-04-01 12.809
1996-07-01 13.158
1996-10-01 12.836
1997-01-01 13.756
1997-04-01 14.026
1997-07-01 14.320
1997-10-01 14.963
1998-01-01 14.682
1998-04-01 15.657
1998-07-01 16.681
1998-10-01 16.316
1999-01-01 16.206
1999-04-01 18.808
1999-07-01 20.467
1999-10-01 20.025
2000-01-01 21.979
2000-04-01 21.369
2000-07-01 19.712
2000-10-01 20.905
2001-01-01 22.027
2001-04-01 21.328
2001-07-01 22.241
2001-10-01 21.130
2002-01-01 20.834
2002-04-01 24.151
2002-07-01 26.231
2002-10-01 25.722
2003-01-01 29.504
2003-04-01 31.485
2003-07-01 30.743
2003-10-01 33.676
2004-01-01 38.480
2004-04-01 39.344
2004-07-01 40.977
2004-10-01 45.453
2005-01-01 47.654
2005-04-01 52.213
2005-07-01 54.886
2005-10-01 52.653
2006-01-01 61.128
2006-04-01 63.862
2006-07-01 61.848
2006-10-01 73.469
2007-01-01 86.199
2007-04-01 96.936
2007-07-01 100.637
2007-10-01 107.098
2008-01-01 118.046
2008-04-01 139.318
2008-07-01 144.183
2008-10-01 131.610
2009-01-01 135.290
2009-04-01 158.234
2009-07-01 172.024
2009-10-01 172.257
2010-01-01 186.387
2010-04-01 172.534
2010-07-01 187.026
2010-10-01 182.931
2011-01-01 197.532
2011-04-01 204.309
2011-07-01 202.354
2011-10-01 193.285
2012-01-01 211.538
2012-04-01 208.570
2012-07-01 218.200
2012-10-01 215.519
2013-01-01 209.712
2013-04-01 215.750
2013-07-01 233.175
2013-10-01 226.219
2014-01-01 226.375
2014-04-01 227.881
2014-07-01 216.149
2014-10-01 204.928
2015-01-01 194.822
2015-04-01 203.261