Quarterly Billions of US Dollars
1972-07-01 0.031
1972-10-01 0.091
1973-01-01 0.095
1973-04-01 0.126
1973-07-01 0.126
1973-10-01 0.158
1974-01-01 0.161
1974-04-01 0.159
1974-07-01 0.156
1974-10-01 0.185
1975-01-01 0.222
1975-04-01 0.221
1975-07-01 0.216
1975-10-01 0.216
1976-01-01 0.218
1976-04-01 0.267
1976-07-01 0.312
1976-10-01 0.505
1977-01-01 0.591
1977-04-01 0.798
1977-07-01 1.041
1977-10-01 1.568
1978-01-01 1.860
1978-04-01 2.046
1978-07-01 2.418
1978-10-01 2.641
1979-01-01 2.765
1979-04-01 2.808
1979-07-01 3.130
1979-10-01 3.284
1980-01-01 3.014
1980-04-01 3.557
1980-07-01 3.580
1980-10-01 3.476
1981-01-01 3.313
1981-04-01 3.054
1981-07-01 3.131
1981-10-01 3.207
1982-01-01 2.993
1982-04-01 2.840
1982-07-01 2.701
1982-10-01 2.931
1983-01-01 2.874
1983-04-01 2.789
1983-07-01 2.758
1983-10-01 2.658
1984-01-01 2.747
1984-04-01 2.494
1984-07-01 2.318
1984-10-01 2.117
1985-01-01 2.226
1985-04-01 2.316
1985-07-01 2.677
1985-10-01 2.339
1986-01-01 2.602
1986-04-01 2.728
1986-07-01 2.895
1986-10-01 2.761
1987-01-01 2.817
1987-04-01 2.769
1987-07-01 2.507
1987-10-01 2.572
1988-01-01 2.511
1988-04-01 1.940
1988-07-01 1.592
1988-10-01 1.584
1989-01-01 1.304
1989-04-01 1.194
1989-07-01 2.106
1989-10-01 1.925
1990-01-01 1.834
1990-04-01 1.837
1990-07-01 1.882
1990-10-01 1.897
1991-01-01 1.837
1991-04-01 1.744
1991-07-01 2.314
1991-10-01 3.209
1992-01-01 3.667
1992-04-01 5.472
1992-07-01 5.663
1992-10-01 5.651
1993-01-01 5.832
1993-04-01 7.269
1993-07-01 8.381
1993-10-01 10.164
1994-01-01 10.985
1994-04-01 53.696
1994-07-01 53.851
1994-10-01 54.705
1995-01-01 54.776
1995-04-01 55.731
1995-07-01 56.579
1995-10-01 57.171
1996-01-01 58.380
1996-04-01 62.331
1996-07-01 62.197
1996-10-01 65.536
1997-01-01 66.043
1997-04-01 71.666
1997-07-01 74.782
1997-10-01 74.266
1998-01-01 75.995
1998-04-01 79.358
1998-07-01 80.140
1998-10-01 70.658
1999-01-01 69.013
1999-04-01 70.793
1999-07-01 72.650
1999-10-01 76.629
2000-01-01 80.681
2000-04-01 76.780
2000-07-01 83.172
2000-10-01 84.164
2001-01-01 85.784
2001-04-01 81.182
2001-07-01 82.133
2001-10-01 80.686
2002-01-01 83.737
2002-04-01 87.837
2002-07-01 88.943
2002-10-01 88.219
2003-01-01 88.369
2003-04-01 93.132
2003-07-01 96.408
2003-10-01 102.278
2004-01-01 105.085
2004-04-01 102.207
2004-07-01 104.430
2004-10-01 105.211
2005-01-01 106.471
2005-04-01 105.118
2005-07-01 106.166
2005-10-01 107.663
2006-01-01 111.223
2006-04-01 100.892
2006-07-01 103.727
2006-10-01 110.673
2007-01-01 112.798
2007-04-01 117.555
2007-07-01 116.142
2007-10-01 117.441
2008-01-01 121.233
2008-04-01 123.063
2008-07-01 117.574
2008-10-01 114.883
2009-01-01 114.732
2009-04-01 118.657
2009-07-01 127.484
2009-10-01 139.241
2010-01-01 146.347
2010-04-01 152.279
2010-07-01 166.278
2010-10-01 172.377
2011-01-01 183.663
2011-04-01 197.189
2011-07-01 195.845
2011-10-01 203.660
2012-01-01 226.934
2012-04-01 230.075
2012-07-01 238.963
2012-10-01 251.976
2013-01-01 257.173
2013-04-01 274.222
2013-07-01 279.190
2013-10-01 284.507
2014-01-01 301.105
2014-04-01 314.724
2014-07-01 323.703
2014-10-01 316.729
2015-01-01 300.299
2015-04-01 304.490