Quarterly Billions of US Dollars
1971-01-01 0.043
1971-04-01 0.072
1971-07-01 0.105
1971-10-01 0.107
1972-01-01 0.110
1972-04-01 0.142
1972-07-01 0.140
1972-10-01 0.140
1973-01-01 0.156
1973-04-01 0.196
1973-07-01 0.239
1973-10-01 0.250
1974-01-01 0.296
1974-04-01 0.385
1974-07-01 0.378
1974-10-01 0.581
1975-01-01 1.004
1975-04-01 1.410
1975-07-01 1.553
1975-10-01 2.032
1976-01-01 2.831
1976-04-01 3.567
1976-07-01 3.839
1976-10-01 4.278
1977-01-01 4.833
1977-04-01 5.458
1977-07-01 5.948
1977-10-01 6.687
1978-01-01 7.365
1978-04-01 7.980
1978-07-01 9.460
1978-10-01 10.268
1979-01-01 11.350
1979-04-01 12.657
1979-07-01 14.231
1979-10-01 14.446
1980-01-01 13.526
1980-04-01 15.052
1980-07-01 15.680
1980-10-01 16.015
1981-01-01 15.635
1981-04-01 15.486
1981-07-01 17.432
1981-10-01 19.191
1982-01-01 19.510
1982-04-01 19.531
1982-07-01 20.319
1982-10-01 22.858
1983-01-01 24.770
1983-04-01 27.317
1983-07-01 28.788
1983-10-01 31.102
1984-01-01 35.438
1984-04-01 36.729
1984-07-01 38.449
1984-10-01 40.228
1985-01-01 45.175
1985-04-01 48.994
1985-07-01 57.636
1985-10-01 63.355
1986-01-01 69.705
1986-04-01 80.200
1986-07-01 90.710
1986-10-01 99.161
1987-01-01 110.375
1987-04-01 120.246
1987-07-01 134.347
1987-10-01 150.807
1988-01-01 152.513
1988-04-01 154.350
1988-07-01 168.717
1988-10-01 180.651
1989-01-01 194.018
1989-04-01 221.862
1989-07-01 239.530
1989-10-01 262.640
1990-01-01 274.058
1990-04-01 278.328
1990-07-01 302.332
1990-10-01 314.839
1991-01-01 315.157
1991-04-01 321.074
1991-07-01 340.763
1991-10-01 358.847
1992-01-01 349.924
1992-04-01 359.666
1992-07-01 366.140
1992-10-01 352.106
1993-01-01 340.850
1993-04-01 326.863
1993-07-01 333.597
1993-10-01 322.125
1994-01-01 332.361
1994-04-01 338.143
1994-07-01 341.425
1994-10-01 333.912
1995-01-01 357.159
1995-04-01 365.620
1995-07-01 331.943
1995-10-01 328.520
1996-01-01 324.653
1996-04-01 322.179
1996-07-01 325.602
1996-10-01 317.128
1997-01-01 307.193
1997-04-01 317.923
1997-07-01 315.258
1997-10-01 295.342
1998-01-01 286.286
1998-04-01 271.710
1998-07-01 275.525
1998-10-01 296.467
1999-01-01 288.230
1999-04-01 289.432
1999-07-01 317.176
1999-10-01 315.045
2000-01-01 297.387
2000-04-01 296.906
2000-07-01 282.420
2000-10-01 267.106
2001-01-01 250.224
2001-04-01 250.294
2001-07-01 251.149
2001-10-01 236.809
2002-01-01 227.799
2002-04-01 245.523
2002-07-01 237.315
2002-10-01 230.866
2003-01-01 227.565
2003-04-01 227.821
2003-07-01 234.346
2003-10-01 249.000
2004-01-01 255.957
2004-04-01 259.083
2004-07-01 257.867
2004-10-01 272.761
2005-01-01 268.708
2005-04-01 257.457
2005-07-01 255.130
2005-10-01 249.033
2006-01-01 261.018
2006-04-01 276.308
2006-07-01 279.350
2006-10-01 291.118
2007-01-01 298.943
2007-04-01 301.364
2007-07-01 320.119
2007-10-01 330.768
2008-01-01 357.256
2008-04-01 354.209
2008-07-01 347.121
2008-10-01 363.208
2009-01-01 344.038
2009-04-01 344.303
2009-07-01 359.702
2009-10-01 352.371
2010-01-01 342.655
2010-04-01 329.673
2010-07-01 355.796
2010-10-01 356.841
2011-01-01 356.609
2011-04-01 349.013
2011-07-01 346.083
2011-10-01 336.916
2012-01-01 330.879
2012-04-01 327.173
2012-07-01 346.044
2012-10-01 330.154
2013-01-01 325.991
2013-04-01 325.141
2013-07-01 343.525
2013-10-01 344.114
2014-01-01 356.359
2014-04-01 365.044
2014-07-01 364.637
2014-10-01 358.610
2015-01-01 364.524
2015-04-01 369.275