Quarterly Billions of US Dollars
1971-01-01 0.015
1971-04-01 0.015
1971-07-01 0.015
1971-10-01 0.063
1972-01-01 0.143
1972-04-01 0.175
1972-07-01 0.294
1972-10-01 0.361
1973-01-01 0.451
1973-04-01 0.498
1973-07-01 0.564
1973-10-01 0.532
1974-01-01 0.582
1974-04-01 0.583
1974-07-01 0.578
1974-10-01 0.648
1975-01-01 0.777
1975-04-01 0.805
1975-07-01 0.889
1975-10-01 0.957
1976-01-01 1.038
1976-04-01 1.075
1976-07-01 1.159
1976-10-01 1.354
1977-01-01 1.397
1977-04-01 1.465
1977-07-01 1.583
1977-10-01 1.866
1978-01-01 2.248
1978-04-01 2.551
1978-07-01 2.904
1978-10-01 3.147
1979-01-01 3.351
1979-04-01 3.498
1979-07-01 3.798
1979-10-01 3.937
1980-01-01 3.652
1980-04-01 4.009
1980-07-01 3.947
1980-10-01 3.816
1981-01-01 3.659
1981-04-01 3.693
1981-07-01 3.740
1981-10-01 4.082
1982-01-01 3.955
1982-04-01 3.992
1982-07-01 4.079
1982-10-01 4.445
1983-01-01 4.479
1983-04-01 4.638
1983-07-01 4.718
1983-10-01 4.646
1984-01-01 4.932
1984-04-01 4.999
1984-07-01 5.010
1984-10-01 5.037
1985-01-01 5.338
1985-04-01 5.517
1985-07-01 5.969
1985-10-01 6.079
1986-01-01 6.758
1986-04-01 7.514
1986-07-01 8.290
1986-10-01 8.469
1987-01-01 9.580
1987-04-01 9.790
1987-07-01 9.665
1987-10-01 11.476
1988-01-01 11.803
1988-04-01 12.312
1988-07-01 12.267
1988-10-01 13.314
1989-01-01 13.744
1989-04-01 13.864
1989-07-01 14.572
1989-10-01 15.224
1990-01-01 15.769
1990-04-01 17.077
1990-07-01 19.321
1990-10-01 21.568
1991-01-01 21.361
1991-04-01 21.803
1991-07-01 24.165
1991-10-01 27.424
1992-01-01 27.708
1992-04-01 33.502
1992-07-01 37.051
1992-10-01 38.101
1993-01-01 41.707
1993-04-01 43.568
1993-07-01 41.271
1993-10-01 39.204
1994-01-01 41.631
1994-04-01 45.098
1994-07-01 49.646
1994-10-01 49.553
1995-01-01 53.981
1995-04-01 53.953
1995-07-01 51.056
1995-10-01 49.427
1996-01-01 50.312
1996-04-01 48.824
1996-07-01 48.203
1996-10-01 48.323
1997-01-01 47.329
1997-04-01 47.046
1997-07-01 44.979
1997-10-01 41.662
1998-01-01 39.076
1998-04-01 39.563
1998-07-01 41.325
1998-10-01 40.277
1999-01-01 37.322
1999-04-01 36.539
1999-07-01 39.115
1999-10-01 38.153
2000-01-01 35.158
2000-04-01 36.108
2000-07-01 34.032
2000-10-01 33.500
2001-01-01 31.441
2001-04-01 35.775
2001-07-01 36.521
2001-10-01 35.459
2002-01-01 36.590
2002-04-01 39.565
2002-07-01 37.916
2002-10-01 40.305
2003-01-01 48.470
2003-04-01 54.457
2003-07-01 57.237
2003-10-01 59.760
2004-01-01 60.996
2004-04-01 62.424
2004-07-01 61.513
2004-10-01 67.925
2005-01-01 66.426
2005-04-01 62.646
2005-07-01 62.362
2005-10-01 62.175
2006-01-01 64.998
2006-04-01 71.238
2006-07-01 63.379
2006-10-01 66.197
2007-01-01 63.773
2007-04-01 65.875
2007-07-01 61.907
2007-10-01 61.730
2008-01-01 63.962
2008-04-01 64.007
2008-07-01 54.297
2008-10-01 52.101
2009-01-01 54.598
2009-04-01 59.358
2009-07-01 63.751
2009-10-01 64.729
2010-01-01 66.095
2010-04-01 62.551
2010-07-01 70.169
2010-10-01 72.880
2011-01-01 90.091
2011-04-01 92.502
2011-07-01 88.502
2011-10-01 86.887
2012-01-01 96.581
2012-04-01 99.597
2012-07-01 101.776
2012-10-01 106.718
2013-01-01 107.606
2013-04-01 112.184
2013-07-01 119.425
2013-10-01 124.560
2014-01-01 127.568
2014-04-01 134.717
2014-07-01 131.899
2014-10-01 127.814
2015-01-01 121.358
2015-04-01 131.305