Quarter	Billions of US Dollars
1962-10-01	0.795
1963-01-01	0.875
1963-04-01	0.949
1963-07-01	1.015
1963-10-01	1.024
1964-01-01	1.067
1964-04-01	0.573
1964-07-01	0.599
1964-10-01	0.605
1965-01-01	0.620
1965-04-01	0.645
1965-07-01	0.671
1965-10-01	0.753
1966-01-01	0.790
1966-04-01	0.863
1966-07-01	0.934
1966-10-01	0.989
1967-01-01	1.074
1967-04-01	1.234
1967-07-01	1.441
1967-10-01	1.572
1968-01-01	1.682
1968-04-01	1.843
1968-07-01	2.140
1968-10-01	2.430
1969-01-01	2.700
1969-04-01	3.052
1969-07-01	3.360
1969-10-01	3.361
1970-01-01	3.404
1970-04-01	3.569
1970-07-01	3.795
1970-10-01	4.045
1971-01-01	4.285
1971-04-01	3.982
1971-07-01	4.339
1971-10-01	4.516
1972-01-01	4.596
1972-04-01	4.742
1972-07-01	5.095
1972-10-01	5.219
1973-01-01	5.550
1973-04-01	5.949
1973-07-01	6.402
1973-10-01	6.849
1974-01-01	7.447
1974-04-01	8.144
1974-07-01	9.059
1974-10-01	8.092
1975-01-01	8.092
1975-04-01	8.547
1975-07-01	9.120
1975-10-01	9.338
1976-01-01	10.209
1976-04-01	10.607
1976-07-01	11.566
1976-10-01	12.029
1977-01-01	12.801
1977-04-01	13.571
1977-07-01	14.803
1977-10-01	15.527
1978-01-01	17.739
1978-04-01	19.603
1978-07-01	21.430
1978-10-01	23.012
1979-01-01	25.431
1979-04-01	27.290
1979-07-01	30.261
1979-10-01	32.843
1980-01-01	31.861
1980-04-01	33.468
1980-07-01	35.714
1980-10-01	36.809
1981-01-01	38.251
1981-04-01	39.984
1981-07-01	42.354
1981-10-01	44.981
1982-01-01	46.315
1982-04-01	46.363
1982-07-01	49.333
1982-10-01	54.045
1983-01-01	55.988
1983-04-01	57.746
1983-07-01	57.813
1983-10-01	60.172
1984-01-01	63.187
1984-04-01	65.508
1984-07-01	67.468
1984-10-01	69.835
1985-01-01	72.423
1985-04-01	74.244
1985-07-01	77.205
1985-10-01	77.805
1986-01-01	80.209
1986-04-01	84.187
1986-07-01	86.709
1986-10-01	90.442
1987-01-01	93.076
1987-04-01	100.164
1987-07-01	104.201
1987-10-01	107.608
1988-01-01	115.307
1988-04-01	123.826
1988-07-01	127.037
1988-10-01	134.558
1989-01-01	145.008
1989-04-01	158.453
1989-07-01	166.140
1989-10-01	171.159
1990-01-01	172.526
1990-04-01	179.332
1990-07-01	190.084
1990-10-01	209.299
1991-01-01	225.976
1991-04-01	235.753
1991-07-01	244.761
1991-10-01	249.760
1992-01-01	256.060
1992-04-01	260.111
1992-07-01	273.540
1992-10-01	284.210
1993-01-01	294.018
1993-04-01	304.223
1993-07-01	320.579
1993-10-01	329.183
1994-01-01	345.582
1994-04-01	363.658
1994-07-01	390.699
1994-10-01	410.229
1995-01-01	440.281
1995-04-01	471.066
1995-07-01	489.055
1995-10-01	499.608
1996-01-01	520.280
1996-04-01	524.312
1996-07-01	546.425
1996-10-01	550.516
1997-01-01	555.247
1997-04-01	574.541
1997-07-01	578.753
1997-10-01	342.706
1998-01-01	427.342
1998-04-01	430.553
1998-07-01	438.065
1998-10-01	485.244
1999-01-01	500.278
1999-04-01	505.105
1999-07-01	482.147
1999-10-01	502.446
2000-01-01	509.635
2000-04-01	506.207
2000-07-01	513.136
2000-10-01	448.522
2001-01-01	436.459
2001-04-01	447.784
2001-07-01	456.057
2001-10-01	446.380
2002-01-01	457.709
2002-04-01	516.864
2002-07-01	511.890
2002-10-01	541.639
2003-01-01	527.089
2003-04-01	558.527
2003-07-01	585.342
2003-10-01	563.081
2004-01-01	592.611
2004-04-01	588.313
2004-07-01	596.688
2004-10-01	651.027
2005-01-01	670.946
2005-04-01	672.333
2005-07-01	666.248
2005-10-01	698.819
2006-01-01	741.013
2006-04-01	792.506
2006-07-01	827.053
2006-10-01	866.264
2007-01-01	890.236
2007-04-01	939.993
2007-07-01	976.375
2007-10-01	987.290
2008-01-01	986.319
2008-04-01	980.952
2008-07-01	895.603
2008-10-01	832.188
2009-01-01	820.976
2009-04-01	908.007
2009-07-01	1000.606
2009-10-01	1022.401
2010-01-01	1055.203
2010-04-01	999.888
2010-07-01	1085.317
2010-10-01	1099.280
2011-01-01	1148.202
2011-04-01	1188.529
2011-07-01	1109.301
2011-10-01	1126.197
2012-01-01	1174.930
2012-04-01	1190.149
2012-07-01	1249.917
2012-10-01	1289.616
2013-01-01	1312.876
2013-04-01	1283.964
2013-07-01	1375.765
2013-10-01	1395.325
2014-01-01	1408.014
2014-04-01	1496.792
2014-07-01	1459.733
2014-10-01	1425.788
2015-01-01	1422.155
2015-04-01	1415.695
2015-07-01	1359.516
2015-10-01	1377.713
2016-01-01	1437.660
2016-04-01	1433.186
2016-07-01	1494.548
2016-10-01	1365.705
2017-01-01	1480.715
2017-04-01	1473.443
2017-07-01	1486.269
2017-10-01	1594.907
2018-01-01	1622.898