Quarterly Billions of US Dollars
1971-01-01 0.015
1971-04-01 0.015
1971-07-01 0.015
1971-10-01 0.015
1972-01-01 0.088
1972-04-01 0.088
1972-07-01 0.115
1972-10-01 0.136
1973-01-01 0.196
1973-04-01 0.262
1973-07-01 0.269
1973-10-01 0.252
1974-01-01 0.262
1974-04-01 0.263
1974-07-01 0.271
1974-10-01 0.338
1975-01-01 0.504
1975-04-01 0.701
1975-07-01 0.837
1975-10-01 1.372
1976-01-01 1.887
1976-04-01 2.155
1976-07-01 2.449
1976-10-01 2.826
1977-01-01 3.603
1977-04-01 4.490
1977-07-01 4.773
1977-10-01 5.890
1978-01-01 6.952
1978-04-01 7.664
1978-07-01 8.475
1978-10-01 9.315
1979-01-01 9.767
1979-04-01 10.232
1979-07-01 11.170
1979-10-01 11.336
1980-01-01 10.773
1980-04-01 11.664
1980-07-01 11.399
1980-10-01 10.672
1981-01-01 9.912
1981-04-01 9.145
1981-07-01 9.265
1981-10-01 9.721
1982-01-01 8.734
1982-04-01 8.326
1982-07-01 8.341
1982-10-01 8.610
1983-01-01 8.259
1983-04-01 7.713
1983-07-01 7.700
1983-10-01 7.321
1984-01-01 7.498
1984-04-01 7.043
1984-07-01 6.902
1984-10-01 7.063
1985-01-01 7.103
1985-04-01 7.351
1985-07-01 8.795
1985-10-01 8.481
1986-01-01 9.274
1986-04-01 10.451
1986-07-01 12.687
1986-10-01 13.939
1987-01-01 16.218
1987-04-01 17.123
1987-07-01 16.969
1987-10-01 18.269
1988-01-01 19.050
1988-04-01 19.867
1988-07-01 20.133
1988-10-01 20.987
1989-01-01 21.459
1989-04-01 20.902
1989-07-01 21.159
1989-10-01 22.064
1990-01-01 21.072
1990-04-01 21.229
1990-07-01 21.757
1990-10-01 21.760
1991-01-01 19.901
1991-04-01 19.259
1991-07-01 20.769
1991-10-01 21.706
1992-01-01 20.844
1992-04-01 23.013
1992-07-01 23.316
1992-10-01 21.321
1993-01-01 21.284
1993-04-01 21.604
1993-07-01 21.077
1993-10-01 20.167
1994-01-01 19.892
1994-04-01 19.985
1994-07-01 20.331
1994-10-01 19.704
1995-01-01 20.169
1995-04-01 19.458
1995-07-01 19.087
1995-10-01 19.118
1996-01-01 19.241
1996-04-01 19.478
1996-07-01 18.733
1996-10-01 19.147
1997-01-01 17.779
1997-04-01 17.301
1997-07-01 21.034
1997-10-01 21.479
1998-01-01 22.068
1998-04-01 25.160
1998-07-01 26.383
1998-10-01 28.033
1999-01-01 28.583
1999-04-01 30.104
1999-07-01 31.063
1999-10-01 31.285
2000-01-01 32.521
2000-04-01 35.319
2000-07-01 34.272
2000-10-01 35.502
2001-01-01 36.247
2001-04-01 37.132
2001-07-01 38.430
2001-10-01 39.399
2002-01-01 40.430
2002-04-01 44.392
2002-07-01 43.283
2002-10-01 46.059
2003-01-01 49.517
2003-04-01 51.971
2003-07-01 56.531
2003-10-01 61.383
2004-01-01 62.370
2004-04-01 64.790
2004-07-01 65.155
2004-10-01 72.135
2005-01-01 72.812
2005-04-01 72.569
2005-07-01 72.657
2005-10-01 75.845
2006-01-01 79.242
2006-04-01 90.132
2006-07-01 97.029
2006-10-01 106.450
2007-01-01 112.633
2007-04-01 115.026
2007-07-01 124.647
2007-10-01 132.785
2008-01-01 148.346
2008-04-01 163.729
2008-07-01 155.740
2008-10-01 150.859
2009-01-01 150.938
2009-04-01 164.469
2009-07-01 174.120
2009-10-01 175.594
2010-01-01 176.683
2010-04-01 175.348
2010-07-01 194.504
2010-10-01 195.627
2011-01-01 217.118
2011-04-01 226.748
2011-07-01 223.929
2011-10-01 226.973
2012-01-01 243.790
2012-04-01 247.731
2012-07-01 255.707
2012-10-01 261.792
2013-01-01 260.738
2013-04-01 268.677
2013-07-01 276.196
2013-10-01 284.432
2014-01-01 286.433
2014-04-01 280.573
2014-07-01 268.951
2014-10-01 264.573
2015-01-01 256.295
2015-04-01 253.178