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 0.145
1973-01-01 0.207
1973-04-01 0.273
1973-07-01 0.281
1973-10-01 0.263
1974-01-01 0.274
1974-04-01 0.275
1974-07-01 0.282
1974-10-01 0.350
1975-01-01 0.516
1975-04-01 0.713
1975-07-01 0.848
1975-10-01 1.383
1976-01-01 1.899
1976-04-01 2.166
1976-07-01 2.461
1976-10-01 2.798
1977-01-01 3.522
1977-04-01 4.409
1977-07-01 4.691
1977-10-01 5.803
1978-01-01 6.864
1978-04-01 7.577
1978-07-01 8.385
1978-10-01 9.222
1979-01-01 9.704
1979-04-01 10.169
1979-07-01 11.134
1979-10-01 11.284
1980-01-01 10.785
1980-04-01 11.683
1980-07-01 11.417
1980-10-01 10.705
1981-01-01 9.902
1981-04-01 9.131
1981-07-01 9.253
1981-10-01 9.793
1982-01-01 8.803
1982-04-01 8.391
1982-07-01 8.405
1982-10-01 8.677
1983-01-01 8.307
1983-04-01 7.762
1983-07-01 7.722
1983-10-01 7.343
1984-01-01 7.520
1984-04-01 7.066
1984-07-01 6.849
1984-10-01 7.012
1985-01-01 7.050
1985-04-01 7.224
1985-07-01 8.580
1985-10-01 8.147
1986-01-01 8.846
1986-04-01 9.914
1986-07-01 11.733
1986-10-01 12.738
1987-01-01 14.482
1987-04-01 15.372
1987-07-01 15.143
1987-10-01 16.318
1988-01-01 17.156
1988-04-01 17.934
1988-07-01 18.221
1988-10-01 19.003
1989-01-01 19.364
1989-04-01 18.797
1989-07-01 19.088
1989-10-01 19.671
1990-01-01 18.984
1990-04-01 18.995
1990-07-01 19.415
1990-10-01 19.379
1991-01-01 17.713
1991-04-01 17.066
1991-07-01 18.513
1991-10-01 19.355
1992-01-01 19.231
1992-04-01 21.372
1992-07-01 21.655
1992-10-01 19.713
1993-01-01 19.824
1993-04-01 20.502
1993-07-01 20.007
1993-10-01 19.155
1994-01-01 18.866
1994-04-01 19.042
1994-07-01 19.471
1994-10-01 18.829
1995-01-01 19.319
1995-04-01 18.682
1995-07-01 18.310
1995-10-01 18.241
1996-01-01 18.214
1996-04-01 18.550
1996-07-01 17.805
1996-10-01 18.220
1997-01-01 16.784
1997-04-01 16.306
1997-07-01 19.897
1997-10-01 20.545
1998-01-01 21.138
1998-04-01 23.578
1998-07-01 24.519
1998-10-01 26.170
1999-01-01 26.583
1999-04-01 28.227
1999-07-01 29.311
1999-10-01 29.529
2000-01-01 30.665
2000-04-01 33.316
2000-07-01 32.281
2000-10-01 33.409
2001-01-01 34.162
2001-04-01 35.017
2001-07-01 36.555
2001-10-01 37.387
2002-01-01 38.822
2002-04-01 42.904
2002-07-01 41.735
2002-10-01 44.548
2003-01-01 47.210
2003-04-01 49.727
2003-07-01 54.258
2003-10-01 58.987
2004-01-01 60.019
2004-04-01 62.435
2004-07-01 63.722
2004-10-01 70.855
2005-01-01 72.059
2005-04-01 71.359
2005-07-01 71.700
2005-10-01 74.807
2006-01-01 78.104
2006-04-01 89.120
2006-07-01 95.722
2006-10-01 106.025
2007-01-01 112.209
2007-04-01 114.637
2007-07-01 124.054
2007-10-01 132.391
2008-01-01 147.976
2008-04-01 163.591
2008-07-01 155.602
2008-10-01 150.645
2009-01-01 150.724
2009-04-01 164.080
2009-07-01 173.016
2009-10-01 174.494
2010-01-01 175.583
2010-04-01 174.247
2010-07-01 193.404
2010-10-01 194.526
2011-01-01 216.018
2011-04-01 222.338
2011-07-01 216.531
2011-10-01 218.940
2012-01-01 236.490
2012-04-01 240.471
2012-07-01 247.570
2012-10-01 252.484
2013-01-01 251.501
2013-04-01 259.612
2013-07-01 266.606
2013-10-01 274.286
2014-01-01 275.883
2014-04-01 272.293
2014-07-01 257.746
2014-10-01 253.865
2015-01-01 246.130
2015-04-01 241.480