Quarter	Billions of US Dollars
1964-10-01	97.060
1965-01-01	100.144
1965-04-01	102.418
1965-07-01	107.638
1965-10-01	114.134
1966-01-01	117.300
1966-04-01	120.030
1966-07-01	126.067
1966-10-01	132.657
1967-01-01	137.584
1967-04-01	141.792
1967-07-01	148.618
1967-10-01	156.648
1968-01-01	161.470
1968-04-01	166.642
1968-07-01	174.506
1968-10-01	184.137
1969-01-01	190.469
1969-04-01	197.183
1969-07-01	207.372
1969-10-01	219.498
1970-01-01	225.395
1970-04-01	232.770
1970-07-01	244.585
1970-10-01	258.920
1971-01-01	269.271
1971-04-01	281.588
1971-07-01	316.545
1971-10-01	359.363
1972-01-01	385.182
1972-04-01	403.354
1972-07-01	427.045
1972-10-01	458.061
1973-01-01	542.998
1973-04-01	571.303
1973-07-01	593.582
1973-10-01	593.126
1974-01-01	619.168
1974-04-01	618.820
1974-07-01	608.695
1974-10-01	629.774
1975-01-01	661.513
1975-04-01	680.356
1975-07-01	685.609
1975-10-01	713.326
1976-01-01	744.180
1976-04-01	766.122
1976-07-01	823.522
1976-10-01	838.979
1977-01-01	903.728
1977-04-01	953.857
1977-07-01	993.281
1977-10-01	1131.983
1978-01-01	1234.560
1978-04-01	1360.325
1978-07-01	1511.843
1978-10-01	1535.601
1979-01-01	1427.449
1979-04-01	1400.159
1979-07-01	1405.129
1979-10-01	1363.216
1980-01-01	1333.020
1980-04-01	1556.325
1980-07-01	1643.996
1980-10-01	1767.299
1981-01-01	1736.471
1981-04-01	1634.705
1981-07-01	1634.508
1981-10-01	1792.871
1982-01-01	1621.068
1982-04-01	1586.082
1982-07-01	1553.973
1982-10-01	1833.724
1983-01-01	1843.304
1983-04-01	1856.046
1983-07-01	1935.818
1983-10-01	2027.671
1984-01-01	2130.813
1984-04-01	2033.990
1984-07-01	2031.366
1984-10-01	2028.576
1985-01-01	2077.531
1985-04-01	2102.031
1985-07-01	2473.280
1985-10-01	2747.527
1986-01-01	3126.615
1986-04-01	3458.555
1986-07-01	3769.816
1986-10-01	3762.214
1987-01-01	4191.844
1987-04-01	4353.922
1987-07-01	4529.747
1987-10-01	5641.710
1988-01-01	5621.810
1988-04-01	5330.434
1988-07-01	5460.368
1988-10-01	6093.660
1989-01-01	5878.342
1989-04-01	5541.568
1989-07-01	5946.829
1989-10-01	6002.393
1990-01-01	5681.398
1990-04-01	5956.714
1990-07-01	6757.374
1990-10-01	7057.165
1991-01-01	6886.992
1991-04-01	7090.349
1991-07-01	7467.205
1991-10-01	8109.478
1992-01-01	7637.512
1992-04-01	8126.333
1992-07-01	8643.017
1992-10-01	8429.450
1993-01-01	9178.913
1993-04-01	10012.679
1993-07-01	10114.987
1993-10-01	9636.362
1994-01-01	10440.481
1994-04-01	10810.544
1994-07-01	10992.675
1994-10-01	10975.164
1995-01-01	12527.494
1995-04-01	12810.270
1995-07-01	11095.272
1995-10-01	10742.890
1996-01-01	10393.387
1996-04-01	10062.578
1996-07-01	9898.427
1996-10-01	9594.709
1997-01-01	8940.257
1997-04-01	9636.525
1997-07-01	9105.351
1997-10-01	8617.636
1998-01-01	8304.715
1998-04-01	7890.588
1998-07-01	8094.603
1998-10-01	9393.239
1999-01-01	8795.781
1999-04-01	8549.783
1999-07-01	9734.806
1999-10-01	10145.518
2000-01-01	9949.999
2000-04-01	9585.506
2000-07-01	9306.907
2000-10-01	8742.375
2001-01-01	7928.685
2001-04-01	7882.846
2001-07-01	8167.784
2001-10-01	7429.425
2002-01-01	7255.277
2002-04-01	8014.444
2002-07-01	7710.043
2002-10-01	7918.658
2003-01-01	7796.121
2003-04-01	7554.998
2003-07-01	8105.247
2003-10-01	8384.762
2004-01-01	8509.747
2004-04-01	8004.113
2004-07-01	7830.730
2004-10-01	8466.919
2005-01-01	8152.162
2005-04-01	7712.805
2005-07-01	7595.665
2005-10-01	7331.714
2006-01-01	7318.531
2006-04-01	7463.774
2006-07-01	7271.096
2006-10-01	7226.916
2007-01-01	7283.144
2007-04-01	6861.185
2007-07-01	7385.078
2007-10-01	7653.019
2008-01-01	8573.341
2008-04-01	8078.632
2008-07-01	8093.188
2008-10-01	9534.171
2009-01-01	8665.559
2009-04-01	8837.446
2009-07-01	9429.862
2009-10-01	9094.177
2010-01-01	8941.777
2010-04-01	9345.209
2010-07-01	9908.120
2010-10-01	10089.433
2011-01-01	9833.057
2011-04-01	10045.238
2011-07-01	10519.836
2011-10-01	10415.149
2012-01-01	9811.710
2012-04-01	9970.338
2012-07-01	10274.999
2012-10-01	9307.432
2013-01-01	8478.075
2013-04-01	8058.715
2013-07-01	8227.556
2013-10-01	7690.612
2014-01-01	7804.449
2014-04-01	7909.212
2014-07-01	7341.165
2014-10-01	6793.550
2015-01-01	6773.880
2015-04-01	6577.824
2015-07-01	6736.588
2015-10-01	6788.079
2016-01-01	7300.095
2016-04-01	7994.884
2016-07-01	8175.302
2016-10-01	7166.010
2017-01-01	7538.477
2017-04-01	7530.297
2017-07-01	7547.176
2017-10-01	7619.451
2018-01-01	8056.003