Quarterly Billions of US Dollars
1971-10-01 0.015
1972-01-01 0.035
1972-04-01 0.087
1972-07-01 0.086
1972-10-01 0.106
1973-01-01 0.110
1973-04-01 0.116
1973-07-01 0.193
1973-10-01 0.217
1974-01-01 0.271
1974-04-01 0.271
1974-07-01 0.279
1974-10-01 0.287
1975-01-01 0.313
1975-04-01 0.325
1975-07-01 0.316
1975-10-01 0.338
1976-01-01 0.341
1976-04-01 0.366
1976-07-01 0.430
1976-10-01 0.518
1977-01-01 0.580
1977-04-01 0.693
1977-07-01 0.778
1977-10-01 0.866
1978-01-01 1.003
1978-04-01 1.013
1978-07-01 1.069
1978-10-01 1.109
1979-01-01 1.187
1979-04-01 1.179
1979-07-01 1.187
1979-10-01 1.175
1980-01-01 1.139
1980-04-01 1.173
1980-07-01 1.196
1980-10-01 1.188
1981-01-01 1.237
1981-04-01 1.197
1981-07-01 1.153
1981-10-01 1.212
1982-01-01 1.160
1982-04-01 1.145
1982-07-01 1.180
1982-10-01 1.228
1983-01-01 1.143
1983-04-01 1.110
1983-07-01 1.139
1983-10-01 1.253
1984-01-01 1.343
1984-04-01 1.325
1984-07-01 1.285
1984-10-01 1.353
1985-01-01 1.418
1985-04-01 1.530
1985-07-01 1.534
1985-10-01 1.579
1986-01-01 1.515
1986-04-01 1.518
1986-07-01 1.685
1986-10-01 1.851
1987-01-01 1.955
1987-04-01 2.318
1987-07-01 2.291
1987-10-01 2.505
1988-01-01 2.537
1988-04-01 2.511
1988-07-01 2.408
1988-10-01 2.473
1989-01-01 2.395
1989-04-01 2.478
1989-07-01 2.448
1989-10-01 2.229
1990-01-01 2.478
1990-04-01 2.847
1990-07-01 3.283
1990-10-01 3.003
1991-01-01 3.011
1991-04-01 3.493
1991-07-01 3.787
1991-10-01 3.857
1992-01-01 3.843
1992-04-01 4.165
1992-07-01 4.290
1992-10-01 4.000
1993-01-01 3.812
1993-04-01 4.959
1993-07-01 4.539
1993-10-01 7.330
1994-01-01 9.414
1994-04-01 10.344
1994-07-01 11.289
1994-10-01 13.521
1995-01-01 13.688
1995-04-01 13.687
1995-07-01 14.166
1995-10-01 15.350
1996-01-01 17.651
1996-04-01 17.747
1996-07-01 22.464
1996-10-01 25.274
1997-01-01 28.340
1997-04-01 32.375
1997-07-01 38.748
1997-10-01 39.365
1998-01-01 40.246
1998-04-01 44.384
1998-07-01 46.178
1998-10-01 46.056
1999-01-01 52.260
1999-04-01 53.705
1999-07-01 56.472
1999-10-01 58.888
2000-01-01 61.225
2000-04-01 66.973
2000-07-01 72.021
2000-10-01 76.613
2001-01-01 84.453
2001-04-01 91.503
2001-07-01 98.161
2001-10-01 102.613
2002-01-01 105.287
2002-04-01 108.852
2002-07-01 107.904
2002-10-01 113.168
2003-01-01 115.537
2003-04-01 119.468
2003-07-01 122.934
2003-10-01 133.651
2004-01-01 132.951
2004-04-01 136.741
2004-07-01 140.117
2004-10-01 150.936
2005-01-01 152.205
2005-04-01 158.190
2005-07-01 164.685
2005-10-01 169.277
2006-01-01 173.586
2006-04-01 185.740
2006-07-01 189.803
2006-10-01 198.336
2007-01-01 200.275
2007-04-01 212.165
2007-07-01 218.635
2007-10-01 221.149
2008-01-01 236.189
2008-04-01 234.156
2008-07-01 231.609
2008-10-01 226.403
2009-01-01 224.441
2009-04-01 240.689
2009-07-01 247.590
2009-10-01 251.611
2010-01-01 252.221
2010-04-01 246.983
2010-07-01 259.170
2010-10-01 260.932
2011-01-01 254.922
2011-04-01 260.122
2011-07-01 255.024
2011-10-01 258.363
2012-01-01 276.972
2012-04-01 284.361
2012-07-01 300.185
2012-10-01 314.148
2013-01-01 318.013
2013-04-01 324.216
2013-07-01 327.994
2013-10-01 325.765
2014-01-01 330.129
2014-04-01 331.419
2014-07-01 336.071
2014-10-01 333.457
2015-01-01 338.424
2015-04-01 347.003