Quarterly Billions of US Dollars
1971-01-01 0.0456
1971-04-01 0.0306
1971-07-01 0.0306
1972-04-01 0.0315
1973-04-01 0.0143
1973-07-01 0.0413
1973-10-01 0.0350
1974-01-01 0.0317
1974-04-01 0.0925
1974-10-01 0.1733
1975-01-01 0.4168
1975-04-01 0.4427
1975-07-01 0.2309
1975-10-01 0.4560
1976-01-01 0.7656
1976-04-01 0.7286
1976-07-01 0.2204
1976-10-01 0.3717
1977-01-01 0.6027
1977-04-01 0.5655
1977-07-01 0.3401
1977-10-01 0.4468
1978-01-01 0.4929
1978-04-01 0.6322
1978-07-01 0.8147
1978-10-01 0.8113
1979-01-01 1.2864
1979-04-01 1.1848
1979-07-01 1.0008
1979-10-01 0.2734
1980-01-01 0.2985
1980-04-01 0.4472
1980-07-01 0.8656
1980-10-01 1.0587
1981-01-01 0.4200
1981-04-01 0.6643
1981-07-01 1.6405
1981-10-01 0.9215
1982-01-01 1.1704
1982-04-01 0.7995
1982-07-01 1.1513
1982-10-01 1.4987
1983-01-01 2.4908
1983-04-01 2.8267
1983-07-01 1.7393
1983-10-01 2.7642
1984-01-01 3.9670
1984-04-01 2.9037
1984-07-01 3.1766
1984-10-01 2.5232
1985-01-01 5.0342
1985-04-01 3.3652
1985-07-01 4.5496
1985-10-01 4.0644
1986-01-01 3.9925
1986-04-01 7.6270
1986-07-01 6.7083
1986-10-01 7.6692
1987-01-01 6.9352
1987-04-01 10.4504
1987-07-01 14.3296
1987-10-01 4.1053
1988-01-01 5.9568
1988-04-01 8.2399
1988-07-01 17.4055
1988-10-01 7.7061
1989-01-01 19.6007
1989-04-01 29.7104
1989-07-01 14.9331
1989-10-01 19.4891
1990-01-01 10.3986
1990-04-01 0.1867
1990-07-01 15.4964
1990-10-01 11.2297
1991-01-01 11.8204
1991-04-01 10.5003
1991-07-01 12.2730
1991-10-01 9.2078
1992-01-01 2.3936
1992-04-01 -0.1939
1992-07-01 -5.3057
1992-10-01 3.1486
1993-01-01 -14.3738
1993-04-01 -18.8710
1993-07-01 -9.5435
1993-10-01 -1.9650
1994-01-01 -0.7620
1994-04-01 -2.2799
1994-07-01 -0.5963
1994-10-01 -4.6730
1995-01-01 -1.0973
1995-04-01 0.5608
1995-07-01 -10.0214
1995-10-01 3.5855
1996-01-01 2.8632
1996-04-01 4.3178
1996-07-01 5.8052
1996-10-01 0.6203
1997-01-01 3.9447
1997-04-01 -0.8762
1997-07-01 6.4898
1997-10-01 -9.1402
1998-01-01 -5.4082
1998-04-01 -5.9434
1998-07-01 -4.7716
1998-10-01 -1.4644
1999-01-01 1.1622
1999-04-01 3.6858
1999-07-01 6.3147
1999-10-01 -7.4384
2000-01-01 -9.9665
2000-04-01 -0.8939
2000-07-01 -8.2938
2000-10-01 -7.8342
2001-01-01 -4.5210
2001-04-01 0.4550
2001-07-01 -6.1685
2001-10-01 -0.9942
2002-01-01 -7.5698
2002-04-01 0.9300
2002-07-01 -5.7332
2002-10-01 -10.0572
2003-01-01 -4.1654
2003-04-01 -1.5834
2003-07-01 -3.7867
2003-10-01 6.4247
2004-01-01 3.8844
2004-04-01 8.8730
2004-07-01 1.7658
2004-10-01 0.2134
2005-01-01 3.2012
2005-04-01 -3.7744
2005-07-01 1.5014
2005-10-01 0.7908
2006-01-01 10.3118
2006-04-01 9.4405
2006-07-01 6.6622
2006-10-01 10.4087
2007-01-01 5.5359
2007-04-01 7.5733
2007-07-01 5.1090
2007-10-01 7.1217
2008-01-01 -0.4929
2008-04-01 7.5736
2008-07-01 -0.7156
2008-10-01 -3.5210
2009-01-01 -1.4827
2009-04-01 -10.8757
2009-07-01 0.3226
2009-10-01 -2.1434
2010-01-01 -3.0944
2010-04-01 -16.1630
2010-07-01 7.5789
2010-10-01 -3.0755
2011-01-01 -0.2357
2011-04-01 -14.9967
2011-07-01 -5.8137
2011-10-01 -5.2332
2012-01-01 0.5693
2012-04-01 -6.1543
2012-07-01 13.4638
2012-10-01 0.6944
2013-01-01 8.9022
2013-04-01 6.1646
2013-07-01 15.9634
2013-10-01 9.4334
2014-01-01 8.6870
2014-04-01 6.5504
2014-07-01 13.2954
2014-10-01 6.6523
2015-01-01 11.0058
2015-04-01 4.8374