Quarterly Billions of US Dollars
1971-01-01 0.015
1971-04-01 0.015
1971-07-01 0.015
1971-10-01 0.063
1972-01-01 0.143
1972-04-01 0.175
1972-07-01 0.294
1972-10-01 0.361
1973-01-01 0.459
1973-04-01 0.506
1973-07-01 0.572
1973-10-01 0.540
1974-01-01 0.590
1974-04-01 0.591
1974-07-01 0.586
1974-10-01 0.656
1975-01-01 0.785
1975-04-01 0.813
1975-07-01 0.897
1975-10-01 0.965
1976-01-01 1.046
1976-04-01 1.083
1976-07-01 1.167
1976-10-01 1.362
1977-01-01 1.405
1977-04-01 1.503
1977-07-01 1.621
1977-10-01 1.904
1978-01-01 2.286
1978-04-01 2.589
1978-07-01 2.942
1978-10-01 3.185
1979-01-01 3.389
1979-04-01 3.536
1979-07-01 3.836
1979-10-01 3.975
1980-01-01 3.690
1980-04-01 4.047
1980-07-01 3.985
1980-10-01 3.854
1981-01-01 3.697
1981-04-01 3.731
1981-07-01 3.778
1981-10-01 4.120
1982-01-01 3.993
1982-04-01 4.105
1982-07-01 4.192
1982-10-01 4.564
1983-01-01 4.597
1983-04-01 4.726
1983-07-01 4.805
1983-10-01 4.738
1984-01-01 5.120
1984-04-01 5.186
1984-07-01 5.237
1984-10-01 5.363
1985-01-01 5.663
1985-04-01 5.880
1985-07-01 6.471
1985-10-01 6.564
1986-01-01 7.358
1986-04-01 8.098
1986-07-01 9.145
1986-10-01 9.817
1987-01-01 11.322
1987-04-01 11.691
1987-07-01 11.548
1987-10-01 13.630
1988-01-01 13.961
1988-04-01 14.493
1988-07-01 14.485
1988-10-01 16.215
1989-01-01 17.160
1989-04-01 17.202
1989-07-01 18.051
1989-10-01 19.327
1990-01-01 20.259
1990-04-01 21.974
1990-07-01 24.754
1990-10-01 26.922
1991-01-01 26.489
1991-04-01 27.538
1991-07-01 30.029
1991-10-01 32.934
1992-01-01 32.637
1992-04-01 38.656
1992-07-01 42.344
1992-10-01 42.652
1993-01-01 45.609
1993-04-01 47.277
1993-07-01 46.602
1993-10-01 44.438
1994-01-01 47.071
1994-04-01 50.165
1994-07-01 54.817
1994-10-01 54.739
1995-01-01 59.183
1995-04-01 58.952
1995-07-01 56.079
1995-10-01 53.865
1996-01-01 53.927
1996-04-01 51.791
1996-07-01 50.759
1996-10-01 50.734
1997-01-01 49.720
1997-04-01 48.963
1997-07-01 47.062
1997-10-01 43.739
1998-01-01 41.078
1998-04-01 41.430
1998-07-01 42.766
1998-10-01 41.369
1999-01-01 38.473
1999-04-01 38.022
1999-07-01 40.104
1999-10-01 38.362
2000-01-01 36.123
2000-04-01 36.942
2000-07-01 34.605
2000-10-01 33.363
2001-01-01 31.166
2001-04-01 35.422
2001-07-01 36.280
2001-10-01 34.839
2002-01-01 35.549
2002-04-01 38.256
2002-07-01 36.653
2002-10-01 38.533
2003-01-01 46.487
2003-04-01 52.686
2003-07-01 55.419
2003-10-01 59.485
2004-01-01 61.392
2004-04-01 62.691
2004-07-01 61.598
2004-10-01 68.333
2005-01-01 65.186
2005-04-01 62.260
2005-07-01 63.528
2005-10-01 64.008
2006-01-01 66.573
2006-04-01 73.220
2006-07-01 66.405
2006-10-01 70.243
2007-01-01 68.154
2007-04-01 70.299
2007-07-01 66.274
2007-10-01 66.759
2008-01-01 69.215
2008-04-01 69.409
2008-07-01 59.284
2008-10-01 56.932
2009-01-01 58.462
2009-04-01 62.728
2009-07-01 67.214
2009-10-01 68.188
2010-01-01 69.383
2010-04-01 64.645
2010-07-01 71.050
2010-10-01 77.418
2011-01-01 96.803
2011-04-01 104.013
2011-07-01 101.596
2011-10-01 100.664
2012-01-01 115.317
2012-04-01 119.814
2012-07-01 122.980
2012-10-01 128.328
2013-01-01 129.137
2013-04-01 134.724
2013-07-01 144.994
2013-10-01 152.522
2014-01-01 158.417
2014-04-01 163.782
2014-07-01 158.580
2014-10-01 155.057
2015-01-01 147.539
2015-04-01 158.769