Quarterly Billions of US Dollars
1978-01-01 0.0247
1978-04-01 0.0729
1978-07-01 0.0787
1978-10-01 0.0787
1979-01-01 0.1046
1979-04-01 0.1831
1979-07-01 0.2483
1979-10-01 0.2423
1980-01-01 0.2358
1980-04-01 0.2963
1980-07-01 0.2990
1980-10-01 0.3033
1981-01-01 0.2960
1981-04-01 0.2838
1981-07-01 0.3234
1981-10-01 0.3341
1982-01-01 0.3536
1982-04-01 0.3472
1982-07-01 0.3353
1982-10-01 0.3638
1983-01-01 0.3556
1983-04-01 0.3553
1983-07-01 0.4611
1983-10-01 0.4656
1984-01-01 0.5799
1984-04-01 0.4813
1984-07-01 0.5112
1984-10-01 0.5027
1985-01-01 0.9006
1985-04-01 0.9460
1985-07-01 1.0287
1985-10-01 1.3627
1986-01-01 1.4216
1986-04-01 1.4117
1986-07-01 1.3959
1986-10-01 1.3785
1987-01-01 1.4267
1987-04-01 1.4219
1987-07-01 1.4240
1987-10-01 1.5316
1988-01-01 1.5188
1988-04-01 1.4059
1988-07-01 1.6278
1988-10-01 1.6785
1989-01-01 1.6298
1989-04-01 1.5123
1989-07-01 1.7363
1989-10-01 1.7422
1990-01-01 1.6005
1990-04-01 1.3242
1990-07-01 1.3221
1990-10-01 1.3377
1991-01-01 1.1998
1991-04-01 1.1897
1991-07-01 1.0510
1991-10-01 1.0266
1992-01-01 1.2879
1992-04-01 1.3220
1992-07-01 1.4650
1992-10-01 1.4394
1993-01-01 1.7821
1993-04-01 2.0622
1993-07-01 3.3694
1993-10-01 4.5249
1994-01-01 6.0782
1994-04-01 6.2783
1994-07-01 6.7804
1994-10-01 7.0696
1995-01-01 7.4406
1995-04-01 7.7586
1995-07-01 7.9756
1995-10-01 8.4190
1996-01-01 9.5819
1996-04-01 10.3700
1996-07-01 12.1524
1996-10-01 13.1631
1997-01-01 13.7450
1997-04-01 15.0176
1997-07-01 15.1139
1997-10-01 14.8876
1998-01-01 14.7580
1998-04-01 14.5978
1998-07-01 14.6529
1998-10-01 15.1183
1999-01-01 14.5407
1999-04-01 14.4671
1999-07-01 13.9744
1999-10-01 13.9836
2000-01-01 13.6022
2000-04-01 13.4454
2000-07-01 13.1066
2000-10-01 12.6344
2001-01-01 11.7914
2001-04-01 11.5538
2001-07-01 10.3661
2001-10-01 9.8197
2002-01-01 9.4667
2002-04-01 9.3189
2002-07-01 8.9882
2002-10-01 8.9587
2003-01-01 8.8383
2003-04-01 8.7898
2003-07-01 8.7315
2003-10-01 8.1573
2004-01-01 7.3601
2004-04-01 8.1153
2004-07-01 8.4700
2004-10-01 8.4906
2005-01-01 8.6622
2005-04-01 9.7431
2005-07-01 9.9133
2005-10-01 10.1898
2006-01-01 10.1400
2006-04-01 10.3187
2006-07-01 10.6167
2006-10-01 10.9083
2007-01-01 10.2875
2007-04-01 9.2061
2007-07-01 9.2297
2007-10-01 9.1463
2008-01-01 9.4991
2008-04-01 9.2867
2008-07-01 9.2638
2008-10-01 8.8781
2009-01-01 8.5786
2009-04-01 8.1923
2009-07-01 8.0064
2009-10-01 7.8367
2010-01-01 7.6041
2010-04-01 7.3169
2010-07-01 8.1480
2010-10-01 9.2617
2011-01-01 9.5641
2011-04-01 10.2227
2011-07-01 9.8379
2011-10-01 10.1898
2012-01-01 11.6347
2012-04-01 12.1050
2012-07-01 14.4187
2012-10-01 16.4522
2013-01-01 17.4818
2013-04-01 17.2660
2013-07-01 17.7829
2013-10-01 18.4104
2014-01-01 18.7399
2014-04-01 21.5121
2014-07-01 21.1331
2014-10-01 20.9305
2015-01-01 20.9748
2015-04-01 20.2751