Quarterly Billions of US Dollars
1971-01-01 0.043
1971-04-01 0.072
1971-07-01 0.105
1971-10-01 0.107
1972-01-01 0.110
1972-04-01 0.142
1972-07-01 0.140
1972-10-01 0.140
1973-01-01 0.156
1973-04-01 0.196
1973-07-01 0.197
1973-10-01 0.188
1974-01-01 0.231
1974-04-01 0.311
1974-07-01 0.305
1974-10-01 0.485
1975-01-01 0.906
1975-04-01 1.312
1975-07-01 1.443
1975-10-01 1.905
1976-01-01 2.706
1976-04-01 3.442
1976-07-01 3.696
1976-10-01 4.134
1977-01-01 4.645
1977-04-01 5.269
1977-07-01 5.687
1977-10-01 6.399
1978-01-01 7.054
1978-04-01 7.698
1978-07-01 9.174
1978-10-01 9.963
1979-01-01 11.019
1979-04-01 12.200
1979-07-01 13.773
1979-10-01 13.882
1980-01-01 12.963
1980-04-01 14.490
1980-07-01 14.993
1980-10-01 15.293
1981-01-01 14.839
1981-04-01 14.671
1981-07-01 16.553
1981-10-01 18.167
1982-01-01 18.453
1982-04-01 18.398
1982-07-01 18.881
1982-10-01 21.380
1983-01-01 22.929
1983-04-01 24.724
1983-07-01 25.778
1983-10-01 27.221
1984-01-01 30.839
1984-04-01 31.372
1984-07-01 32.817
1984-10-01 33.864
1985-01-01 38.005
1985-04-01 41.133
1985-07-01 49.125
1985-10-01 54.076
1986-01-01 60.165
1986-04-01 69.191
1986-07-01 79.270
1986-10-01 86.580
1987-01-01 96.142
1987-04-01 105.218
1987-07-01 118.576
1987-10-01 133.957
1988-01-01 135.207
1988-04-01 136.594
1988-07-01 149.407
1988-10-01 159.400
1989-01-01 171.204
1989-04-01 197.988
1989-07-01 215.034
1989-10-01 236.578
1990-01-01 245.554
1990-04-01 249.787
1990-07-01 268.444
1990-10-01 279.723
1991-01-01 276.173
1991-04-01 282.104
1991-07-01 300.996
1991-10-01 318.649
1992-01-01 310.252
1992-04-01 318.913
1992-07-01 320.484
1992-10-01 308.330
1993-01-01 297.282
1993-04-01 284.379
1993-07-01 276.418
1993-10-01 265.130
1994-01-01 272.518
1994-04-01 272.824
1994-07-01 267.750
1994-10-01 256.448
1995-01-01 269.494
1995-04-01 267.784
1995-07-01 237.897
1995-10-01 230.052
1996-01-01 222.172
1996-04-01 214.771
1996-07-01 209.511
1996-10-01 196.992
1997-01-01 182.357
1997-04-01 181.103
1997-07-01 169.346
1997-10-01 154.479
1998-01-01 142.076
1998-04-01 129.882
1998-07-01 127.965
1998-10-01 132.231
1999-01-01 126.257
1999-04-01 124.387
1999-07-01 130.055
1999-10-01 123.666
2000-01-01 112.963
2000-04-01 112.254
2000-07-01 108.318
2000-10-01 103.976
2001-01-01 97.201
2001-04-01 97.023
2001-07-01 96.968
2001-10-01 94.120
2002-01-01 95.074
2002-04-01 105.536
2002-07-01 102.795
2002-10-01 102.120
2003-01-01 101.654
2003-04-01 103.910
2003-07-01 105.584
2003-10-01 117.097
2004-01-01 122.289
2004-04-01 128.025
2004-07-01 127.577
2004-10-01 136.841
2005-01-01 136.857
2005-04-01 135.735
2005-07-01 139.653
2005-10-01 136.387
2006-01-01 140.800
2006-04-01 145.567
2006-07-01 143.396
2006-10-01 146.916
2007-01-01 146.814
2007-04-01 146.267
2007-07-01 154.135
2007-10-01 160.122
2008-01-01 174.636
2008-04-01 171.937
2008-07-01 169.812
2008-10-01 179.345
2009-01-01 164.123
2009-04-01 162.361
2009-07-01 168.536
2009-10-01 164.801
2010-01-01 165.809
2010-04-01 162.991
2010-07-01 177.751
2010-10-01 178.862
2011-01-01 180.169
2011-04-01 175.282
2011-07-01 177.882
2011-10-01 175.267
2012-01-01 177.790
2012-04-01 175.465
2012-07-01 187.383
2012-10-01 180.374
2013-01-01 182.149
2013-04-01 183.275
2013-07-01 202.382
2013-10-01 201.232
2014-01-01 208.932
2014-04-01 222.177
2014-07-01 229.408
2014-10-01 230.899
2015-01-01 237.600
2015-04-01 236.479