Quarterly Billions of US Dollars
1971-01-01 0.0300
1971-04-01 0.0353
1971-10-01 0.0250
1972-01-01 0.0748
1972-04-01 0.0647
1972-07-01 0.0682
1972-10-01 0.0406
1974-04-01 0.0172
1974-07-01 0.0751
1974-10-01 0.0250
1975-01-01 0.2094
1975-04-01 0.2706
1975-07-01 0.0375
1975-10-01 0.0650
1976-01-01 0.0781
1976-04-01 0.2828
1976-07-01 0.4003
1976-10-01 0.2800
1977-01-01 0.0680
1977-04-01 0.0610
1977-07-01 0.4448
1977-10-01 0.3561
1978-01-01 0.5844
1978-04-01 0.2500
1978-07-01 0.3708
1978-10-01 0.2613
1979-01-01 0.2982
1979-04-01 0.0800
1979-07-01 0.0130
1979-10-01 0.1537
1980-01-01 0.2250
1980-07-01 0.1356
1980-10-01 0.0300
1981-01-01 0.1197
1981-04-01 0.0899
1981-07-01 0.0824
1981-10-01 0.4337
1982-01-01 0.5087
1982-04-01 0.2709
1982-07-01 1.0230
1982-10-01 0.4480
1983-01-01 0.1792
1983-04-01 0.4250
1983-07-01 0.5493
1983-10-01 1.0932
1984-01-01 0.6431
1984-04-01 0.9610
1984-07-01 0.6181
1984-10-01 0.9593
1985-01-01 0.8989
1985-04-01 1.6524
1985-07-01 1.2767
1985-10-01 1.7448
1986-01-01 2.6884
1986-04-01 2.0694
1986-07-01 1.7979
1986-10-01 2.8612
1987-01-01 2.1712
1987-04-01 2.0152
1987-07-01 0.8802
1987-10-01 0.8157
1988-01-01 1.2748
1988-04-01 2.4765
1988-07-01 1.3403
1988-10-01 1.9780
1989-01-01 3.2784
1989-04-01 2.2543
1989-07-01 1.1372
1989-10-01 0.7772
1990-01-01 0.5466
1990-04-01 0.7552
1990-07-01 1.6470
1990-10-01 0.6306
1991-01-01 0.5387
1991-04-01 1.2632
1991-07-01 1.4968
1991-10-01 0.6838
1992-01-01 1.7327
1992-04-01 0.4847
1992-07-01 1.6642
1993-01-01 1.3841
1993-04-01 0.9907
1993-07-01 1.8153
1993-10-01 2.7194
1994-01-01 4.0592
1994-04-01 3.3824
1994-07-01 5.4586
1994-10-01 4.2096
1995-01-01 3.2949
1995-04-01 1.5118
1995-07-01 4.5312
1995-10-01 3.9696
1996-01-01 3.8942
1996-04-01 5.8072
1996-07-01 5.5515
1996-10-01 5.0231
1997-01-01 6.1509
1997-04-01 3.9489
1997-07-01 4.1569
1997-10-01 3.3408
1998-01-01 3.3776
1998-04-01 6.2044
1998-07-01 3.3154
1998-10-01 3.1505
1999-01-01 4.7535
1999-04-01 5.2326
1999-07-01 6.6040
1999-10-01 3.9834
2000-01-01 6.6495
2000-04-01 9.8457
2000-07-01 4.7189
2000-10-01 2.3497
2001-01-01 5.4390
2001-04-01 9.4735
2001-07-01 6.9764
2001-10-01 4.2863
2002-01-01 5.8986
2002-04-01 6.0487
2002-07-01 8.1651
2002-10-01 9.1417
2003-01-01 11.1270
2003-04-01 17.2949
2003-07-01 17.7204
2003-10-01 12.3623
2004-01-01 23.4377
2004-04-01 17.5101
2004-07-01 26.2077
2004-10-01 15.7018
2005-01-01 22.2072
2005-04-01 23.0132
2005-07-01 13.1495
2005-10-01 19.2538
2006-01-01 30.4293
2006-04-01 21.5936
2006-07-01 27.5360
2006-10-01 32.4140
2007-01-01 36.5185
2007-04-01 33.3697
2007-07-01 24.1090
2007-10-01 19.2341
2008-01-01 40.4437
2008-04-01 25.6159
2008-07-01 20.7249
2008-10-01 20.8697
2009-01-01 27.5653
2009-04-01 27.2183
2009-07-01 32.9781
2009-10-01 51.3797
2010-01-01 36.4105
2010-04-01 10.8920
2010-07-01 25.6774
2010-10-01 29.8064
2011-01-01 25.5343
2011-04-01 34.7000
2011-07-01 12.7376
2011-10-01 15.1258
2012-01-01 41.4093
2012-04-01 20.3741
2012-07-01 48.4885
2012-10-01 16.8995
2013-01-01 27.1416
2013-04-01 22.9842
2013-07-01 23.7476
2013-10-01 32.0607
2014-01-01 31.5878
2014-04-01 26.6762
2014-07-01 28.8175
2014-10-01 24.2201
2015-01-01 35.5570
2015-04-01 23.1790