Quarterly Billions of US Dollars
1971-01-01 0.025
1971-04-01 0.025
1971-07-01 0.025
1971-10-01 0.025
1972-01-01 0.025
1972-04-01 0.025
1972-07-01 0.025
1972-10-01 0.055
1973-01-01 0.111
1973-04-01 0.136
1973-07-01 0.209
1973-10-01 0.197
1974-01-01 0.232
1974-04-01 0.267
1974-07-01 0.265
1974-10-01 0.324
1975-01-01 0.331
1975-04-01 0.327
1975-07-01 0.300
1975-10-01 0.344
1976-01-01 0.349
1976-04-01 0.347
1976-07-01 0.376
1976-10-01 0.383
1977-01-01 0.406
1977-04-01 0.413
1977-07-01 0.484
1977-10-01 0.522
1978-01-01 0.546
1978-04-01 0.627
1978-07-01 0.697
1978-10-01 0.694
1979-01-01 0.672
1979-04-01 0.716
1979-07-01 0.843
1979-10-01 0.901
1980-01-01 0.929
1980-04-01 1.016
1980-07-01 1.012
1980-10-01 1.067
1981-01-01 1.109
1981-04-01 1.144
1981-07-01 1.079
1981-10-01 1.456
1982-01-01 1.681
1982-04-01 1.748
1982-07-01 1.884
1982-10-01 2.000
1983-01-01 2.214
1983-04-01 2.278
1983-07-01 2.292
1983-10-01 2.915
1984-01-01 2.993
1984-04-01 2.955
1984-07-01 3.214
1984-10-01 3.407
1985-01-01 3.838
1985-04-01 4.067
1985-07-01 4.582
1985-10-01 5.145
1986-01-01 5.523
1986-04-01 6.229
1986-07-01 7.495
1986-10-01 7.593
1987-01-01 7.729
1987-04-01 7.864
1987-07-01 7.755
1987-10-01 8.193
1988-01-01 8.209
1988-04-01 7.917
1988-07-01 7.400
1988-10-01 7.626
1989-01-01 7.211
1989-04-01 7.251
1989-07-01 9.258
1989-10-01 9.546
1990-01-01 9.778
1990-04-01 10.192
1990-07-01 10.473
1990-10-01 10.742
1991-01-01 9.996
1991-04-01 10.290
1991-07-01 10.771
1991-10-01 11.260
1992-01-01 10.875
1992-04-01 11.156
1992-07-01 11.976
1992-10-01 12.268
1993-01-01 14.666
1993-04-01 14.737
1993-07-01 14.714
1993-10-01 14.095
1994-01-01 13.900
1994-04-01 14.675
1994-07-01 14.614
1994-10-01 13.939
1995-01-01 15.155
1995-04-01 15.885
1995-07-01 15.631
1995-10-01 16.377
1996-01-01 19.102
1996-04-01 18.906
1996-07-01 19.462
1996-10-01 20.253
1997-01-01 20.244
1997-04-01 20.477
1997-07-01 20.790
1997-10-01 20.081
1998-01-01 20.818
1998-04-01 21.349
1998-07-01 22.599
1998-10-01 22.754
1999-01-01 22.290
1999-04-01 22.006
1999-07-01 23.822
1999-10-01 24.558
2000-01-01 25.700
2000-04-01 26.349
2000-07-01 26.293
2000-10-01 26.730
2001-01-01 30.532
2001-04-01 31.554
2001-07-01 32.905
2001-10-01 33.058
2002-01-01 33.075
2002-04-01 36.227
2002-07-01 37.392
2002-10-01 41.049
2003-01-01 43.631
2003-04-01 48.603
2003-07-01 56.621
2003-10-01 65.158
2004-01-01 68.466
2004-04-01 70.135
2004-07-01 77.667
2004-10-01 90.640
2005-01-01 90.867
2005-04-01 99.015
2005-07-01 106.577
2005-10-01 117.909
2006-01-01 126.053
2006-04-01 146.856
2006-07-01 164.074
2006-10-01 187.604
2007-01-01 222.209
2007-04-01 259.196
2007-07-01 304.647
2007-10-01 339.461
2008-01-01 367.369
2008-04-01 399.677
2008-07-01 368.134
2008-10-01 388.227
2009-01-01 389.737
2009-04-01 436.978
2009-07-01 466.387
2009-10-01 470.597
2010-01-01 469.706
2010-04-01 433.468
2010-07-01 434.720
2010-10-01 429.774
2011-01-01 443.840
2011-04-01 445.892
2011-07-01 406.621
2011-10-01 392.993
2012-01-01 394.802
2012-04-01 367.839
2012-07-01 363.319
2012-10-01 374.337
2013-01-01 371.972
2013-04-01 365.717
2013-07-01 375.812
2013-10-01 393.145
2014-01-01 394.731
2014-04-01 387.357
2014-07-01 357.127
2014-10-01 317.729
2015-01-01 263.679
2015-04-01 286.726