Quarterly Billions of US Dollars
1987-01-01 1.753
1987-04-01 1.740
1987-07-01 1.864
1987-10-01 2.149
1988-01-01 2.207
1988-04-01 2.253
1988-07-01 2.325
1988-10-01 2.545
1989-01-01 2.438
1989-04-01 2.262
1989-07-01 2.331
1989-10-01 2.282
1990-01-01 2.148
1990-04-01 2.201
1990-07-01 2.368
1990-10-01 2.423
1991-01-01 2.310
1991-04-01 2.375
1991-07-01 2.460
1991-10-01 2.637
1992-01-01 2.343
1992-04-01 2.591
1992-07-01 2.874
1992-10-01 3.200
1993-01-01 3.063
1993-04-01 3.723
1993-07-01 6.276
1993-10-01 7.343
1994-01-01 8.200
1994-04-01 8.881
1994-07-01 9.295
1994-10-01 9.746
1995-01-01 9.926
1995-04-01 10.418
1995-07-01 10.998
1995-10-01 10.799
1996-01-01 11.624
1996-04-01 13.733
1996-07-01 16.442
1996-10-01 19.707
1997-01-01 20.735
1997-04-01 24.865
1997-07-01 29.669
1997-10-01 31.212
1998-01-01 32.424
1998-04-01 33.118
1998-07-01 32.554
1998-10-01 33.096
1999-01-01 32.882
1999-04-01 32.436
1999-07-01 32.776
1999-10-01 31.281
2000-01-01 31.442
2000-04-01 30.767
2000-07-01 29.353
2000-10-01 30.457
2001-01-01 28.854
2001-04-01 28.861
2001-07-01 28.662
2001-10-01 29.359
2002-01-01 29.935
2002-04-01 34.913
2002-07-01 36.581
2002-10-01 40.445
2003-01-01 39.646
2003-04-01 40.663
2003-07-01 43.052
2003-10-01 46.423
2004-01-01 48.164
2004-04-01 48.252
2004-07-01 49.439
2004-10-01 54.366
2005-01-01 56.568
2005-04-01 58.031
2005-07-01 59.316
2005-10-01 60.440
2006-01-01 65.459
2006-04-01 68.771
2006-07-01 72.443
2006-10-01 80.465
2007-01-01 82.433
2007-04-01 89.813
2007-07-01 90.896
2007-10-01 91.672
2008-01-01 93.442
2008-04-01 97.966
2008-07-01 101.649
2008-10-01 100.222
2009-01-01 98.575
2009-04-01 98.750
2009-07-01 110.058
2009-10-01 111.025
2010-01-01 110.030
2010-04-01 112.930
2010-07-01 124.401
2010-10-01 134.635
2011-01-01 145.486
2011-04-01 157.701
2011-07-01 159.080
2011-10-01 161.199
2012-01-01 168.411
2012-04-01 181.739
2012-07-01 186.189
2012-10-01 197.975
2013-01-01 209.509
2013-04-01 235.680
2013-07-01 240.878
2013-10-01 261.081
2014-01-01 275.241
2014-04-01 308.073
2014-07-01 319.266
2014-10-01 346.851
2015-01-01 364.312
2015-04-01 405.893