Quarterly Billions of US Dollars
1971-01-01 0.0150
1971-10-01 0.0064
1972-01-01 0.0664
1972-04-01 0.0094
1972-07-01 0.0182
1972-10-01 0.0200
1973-01-01 0.0496
1973-04-01 0.0491
1973-07-01 0.0100
1974-01-01 0.0147
1974-07-01 0.0083
1974-10-01 0.0414
1975-01-01 0.1599
1975-04-01 0.3024
1975-07-01 0.1871
1975-10-01 0.4645
1976-01-01 0.4941
1976-04-01 0.2685
1976-07-01 0.2436
1976-10-01 0.3414
1977-01-01 0.8238
1977-04-01 0.8574
1977-07-01 0.1841
1977-10-01 0.7915
1978-01-01 0.8535
1978-04-01 0.7683
1978-07-01 0.3135
1978-10-01 0.6689
1979-01-01 0.6520
1979-04-01 0.4105
1979-07-01 0.5107
1979-10-01 0.2523
1980-01-01 0.4665
1980-04-01 0.1252
1980-07-01 0.0948
1980-10-01 0.1823
1981-01-01 0.0858
1981-04-01 0.1252
1981-07-01 0.1880
1981-10-01 0.1613
1982-01-01 0.0213
1982-04-01 0.2465
1982-07-01 0.2820
1982-10-01 0.2042
1983-01-01 0.3057
1983-04-01 0.0691
1983-07-01 0.0925
1983-10-01 0.1254
1984-01-01 0.1701
1984-04-01 0.2648
1984-07-01 0.3112
1984-10-01 0.2942
1985-01-01 0.4812
1985-04-01 0.3648
1985-07-01 0.8218
1985-10-01 0.7992
1986-01-01 0.7348
1986-04-01 0.6747
1986-07-01 2.2480
1986-10-01 1.8710
1987-01-01 2.6490
1987-04-01 0.5930
1987-07-01 0.4031
1987-10-01 0.1986
1988-01-01 2.5676
1988-04-01 1.5537
1988-07-01 0.6904
1988-10-01 0.5709
1989-01-01 1.1501
1989-04-01 0.3727
1989-07-01 0.3998
1989-10-01 0.7206
1990-01-01 0.2682
1990-04-01 0.1870
1990-07-01 0.1206
1990-10-01 0.2326
1991-01-01 0.3676
1991-04-01 1.5596
1991-07-01 0.3139
1991-10-01 1.0000
1992-01-01 3.2404
1992-04-01 0.4000
1992-07-01 0.5198
1992-10-01 0.2000
1993-01-01 1.5666
1993-04-01 1.8240
1993-10-01 0.2522
1994-01-01 0.2251
1994-04-01 0.1725
1994-07-01 0.4471
1994-10-01 0.2888
1995-01-01 0.1682
1995-04-01 0.2524
1995-07-01 0.6688
1995-10-01 0.9263
1996-01-01 1.2052
1996-04-01 1.0453
1996-07-01 1.7261
1996-10-01 1.3292
1997-01-01 1.4548
1997-04-01 1.0189
1997-07-01 4.4048
1997-10-01 1.1180
1998-01-01 2.6090
1998-04-01 4.1976
1998-07-01 1.1420
1998-10-01 2.3092
1999-01-01 2.6805
1999-04-01 2.0954
1999-07-01 1.2963
1999-10-01 1.6089
2000-01-01 2.2731
2000-04-01 3.1766
2000-07-01 2.0179
2000-10-01 1.1200
2001-01-01 2.7144
2001-04-01 2.6859
2001-07-01 1.1345
2001-10-01 2.6196
2002-01-01 3.1299
2002-04-01 2.1290
2002-07-01 1.3151
2002-10-01 3.9997
2003-01-01 5.2017
2003-04-01 5.8481
2003-07-01 4.8242
2003-10-01 3.4418
2004-01-01 4.5555
2004-04-01 4.5755
2004-07-01 2.3808
2004-10-01 5.6841
2005-01-01 5.5989
2005-04-01 4.9649
2005-07-01 4.6541
2005-10-01 5.6139
2006-01-01 6.4533
2006-04-01 11.5948
2006-07-01 9.4791
2006-10-01 10.7288
2007-01-01 12.8570
2007-04-01 10.4602
2007-07-01 8.5182
2007-10-01 9.3446
2008-01-01 15.3531
2008-04-01 23.2352
2008-07-01 8.0728
2008-10-01 3.2726
2009-01-01 12.0396
2009-04-01 11.9080
2009-07-01 8.5873
2009-10-01 10.8980
2010-01-01 17.1361
2010-04-01 15.1233
2010-07-01 15.0655
2010-10-01 11.9384
2011-01-01 24.5134
2011-04-01 22.5527
2011-07-01 12.5616
2011-10-01 17.6482
2012-01-01 26.4885
2012-04-01 17.5448
2012-07-01 10.9195
2012-10-01 14.2673
2013-01-01 23.2409
2013-04-01 22.9052
2013-07-01 15.8543
2013-10-01 14.9245
2014-01-01 14.0612
2014-04-01 13.6817
2014-07-01 13.3251
2014-10-01 12.6454
2015-01-01 17.1018
2015-04-01 12.1428