Quarterly Billions of US Dollars
1966-01-01 0.0200
1967-10-01 0.0150
1971-01-01 0.0450
1971-04-01 0.0229
1971-07-01 0.0150
1972-01-01 0.1197
1972-04-01 0.0300
1972-07-01 0.0250
1972-10-01 0.0811
1973-01-01 0.0582
1973-04-01 0.0388
1973-10-01 0.0458
1974-01-01 0.0220
1974-04-01 0.0500
1974-07-01 0.0100
1974-10-01 0.0728
1975-01-01 0.3919
1975-04-01 0.3078
1975-07-01 0.1087
1975-10-01 0.3046
1976-01-01 0.3118
1976-04-01 0.1625
1976-07-01 0.2690
1976-10-01 0.4393
1977-01-01 0.3397
1977-04-01 0.3741
1977-07-01 0.3207
1977-10-01 0.4384
1978-01-01 0.1336
1978-04-01 0.4397
1978-07-01 0.0359
1978-10-01 0.1124
1979-01-01 0.2808
1979-04-01 0.8014
1979-07-01 0.0693
1979-10-01 0.4363
1980-01-01 0.6122
1980-04-01 1.0250
1980-07-01 0.6964
1980-10-01 0.8217
1981-01-01 0.6415
1981-04-01 0.2772
1981-07-01 0.1639
1981-10-01 0.5698
1982-01-01 1.1992
1982-04-01 0.2921
1982-07-01 0.3782
1982-10-01 0.6298
1983-01-01 2.0974
1983-04-01 0.2808
1983-07-01 0.2417
1983-10-01 1.2122
1984-01-01 1.4218
1984-04-01 2.6001
1984-07-01 0.2467
1984-10-01 2.2751
1985-01-01 1.6822
1985-04-01 2.4408
1985-07-01 0.2493
1985-10-01 1.5054
1986-01-01 2.3924
1986-04-01 1.2119
1986-07-01 1.5331
1986-10-01 0.9023
1987-01-01 1.9472
1987-04-01 1.2610
1987-07-01 0.8314
1987-10-01 0.4217
1988-01-01 2.8513
1988-04-01 2.7244
1988-07-01 1.1287
1988-10-01 1.9119
1989-01-01 2.7981
1989-04-01 1.1889
1989-07-01 0.6589
1989-10-01 2.9601
1990-01-01 1.8714
1990-04-01 2.1698
1990-07-01 1.4226
1990-10-01 0.8716
1991-01-01 2.8038
1991-04-01 1.5108
1991-07-01 1.2299
1991-10-01 1.4047
1992-01-01 1.7032
1992-04-01 4.7644
1992-07-01 0.3801
1992-10-01 2.0844
1993-01-01 6.0610
1993-04-01 1.9756
1993-07-01 3.9968
1993-10-01 5.8113
1994-01-01 7.7817
1994-04-01 8.7473
1994-07-01 7.0585
1994-10-01 3.9774
1995-01-01 4.4695
1995-04-01 5.3749
1995-07-01 5.3922
1995-10-01 6.1772
1996-01-01 8.0270
1996-04-01 33.7604
1996-07-01 37.0109
1996-10-01 5.4881
1997-01-01 7.4175
1997-04-01 4.3072
1997-07-01 3.2726
1997-10-01 4.4563
1998-01-01 2.4485
1998-04-01 6.1449
1998-07-01 1.4744
1998-10-01 2.6853
1999-01-01 3.6903
1999-04-01 6.2352
1999-07-01 4.5166
1999-10-01 5.2345
2000-01-01 5.6237
2000-04-01 2.7043
2000-07-01 3.0034
2000-10-01 3.3483
2001-01-01 6.3267
2001-04-01 6.9284
2001-07-01 3.1253
2001-10-01 5.3163
2002-01-01 5.3093
2002-04-01 7.6776
2002-07-01 4.5857
2002-10-01 6.5938
2003-01-01 7.8673
2003-04-01 8.8987
2003-07-01 5.7346
2003-10-01 6.8482
2004-01-01 9.7054
2004-04-01 6.9756
2004-07-01 5.7309
2004-10-01 10.6802
2005-01-01 14.3538
2005-04-01 11.3129
2005-07-01 11.1853
2005-10-01 13.8587
2006-01-01 17.8932
2006-04-01 13.6991
2006-07-01 10.9750
2006-10-01 20.4124
2007-01-01 23.0666
2007-04-01 31.1319
2007-07-01 10.6425
2007-10-01 13.5909
2008-01-01 14.0442
2008-04-01 33.3516
2008-07-01 23.3307
2008-10-01 16.2333
2009-01-01 37.0374
2009-04-01 43.6940
2009-07-01 33.0750
2009-10-01 22.1727
2010-01-01 38.2559
2010-04-01 22.9267
2010-07-01 15.6001
2010-10-01 15.9920
2011-01-01 37.2955
2011-04-01 32.2390
2011-07-01 21.4146
2011-10-01 14.1001
2012-01-01 44.3810
2012-04-01 26.5183
2012-07-01 30.5954
2012-10-01 25.3856
2013-01-01 39.4936
2013-04-01 37.7540
2013-07-01 25.0249
2013-10-01 20.7698
2014-01-01 31.2131
2014-04-01 35.4513
2014-07-01 24.0511
2014-10-01 22.5930
2015-01-01 28.3976
2015-04-01 27.6614