Quarter	Billions of US Dollars
1957-01-01	3.460
1957-04-01	3.586
1957-07-01	3.521
1957-10-01	3.634
1958-01-01	3.854
1958-04-01	3.867
1958-07-01	3.858
1958-10-01	3.980
1959-01-01	4.232
1959-04-01	4.360
1959-07-01	4.330
1959-10-01	4.462
1960-01-01	4.714
1960-04-01	4.801
1960-07-01	4.694
1960-10-01	4.662
1961-01-01	4.798
1961-04-01	4.765
1961-07-01	4.730
1961-10-01	4.855
1962-01-01	5.162
1962-04-01	5.285
1962-07-01	5.218
1962-10-01	5.341
1963-01-01	5.510
1963-04-01	5.667
1963-07-01	5.668
1963-10-01	5.887
1964-01-01	6.094
1964-04-01	6.255
1964-07-01	6.241
1964-10-01	6.434
1965-01-01	6.640
1965-04-01	6.869
1965-07-01	6.865
1965-10-01	7.161
1966-01-01	7.413
1966-04-01	4.858
1966-07-01	4.813
1966-10-01	5.020
1967-01-01	5.221
1967-04-01	5.283
1967-07-01	5.266
1967-10-01	5.509
1968-01-01	5.709
1968-04-01	5.835
1968-07-01	5.825
1968-10-01	5.971
1969-01-01	6.347
1969-04-01	6.655
1969-07-01	6.528
1969-10-01	6.839
1970-01-01	7.172
1970-04-01	7.706
1970-07-01	7.781
1970-10-01	8.216
1971-01-01	8.800
1971-04-01	8.780
1971-07-01	8.840
1971-10-01	9.768
1972-01-01	10.121
1972-04-01	9.850
1972-07-01	9.623
1972-10-01	10.000
1973-01-01	11.626
1973-04-01	12.394
1973-07-01	11.729
1973-10-01	12.382
1974-01-01	13.534
1974-04-01	14.034
1974-07-01	13.626
1974-10-01	14.186
1975-01-01	16.086
1975-04-01	15.190
1975-07-01	14.608
1975-10-01	15.718
1976-01-01	17.138
1976-04-01	17.530
1976-07-01	18.590
1976-10-01	20.344
1977-01-01	21.029
1977-04-01	21.111
1977-07-01	22.057
1977-10-01	24.988
1978-01-01	25.137
1978-04-01	26.222
1978-07-01	27.907
1978-10-01	30.022
1979-01-01	30.743
1979-04-01	32.576
1979-07-01	33.876
1979-10-01	36.523
1980-01-01	37.032
1980-04-01	39.408
1980-07-01	40.201
1980-10-01	42.895
1981-01-01	43.649
1981-04-01	43.164
1981-07-01	41.901
1981-10-01	45.329
1982-01-01	45.764
1982-04-01	45.530
1982-07-01	45.744
1982-10-01	51.553
1983-01-01	50.766
1983-04-01	51.330
1983-07-01	52.191
1983-10-01	55.050
1984-01-01	56.020
1984-04-01	55.431
1984-07-01	52.736
1984-10-01	55.108
1985-01-01	57.753
1985-04-01	57.106
1985-07-01	60.990
1985-10-01	63.559
1986-01-01	67.364
1986-04-01	66.655
1986-07-01	65.621
1986-10-01	67.053
1987-01-01	73.486
1987-04-01	72.655
1987-07-01	73.137
1987-10-01	78.672
1988-01-01	84.871
1988-04-01	77.983
1988-07-01	77.885
1988-10-01	83.130
1989-01-01	82.688
1989-04-01	80.935
1989-07-01	81.368
1989-10-01	85.275
1990-01-01	88.607
1990-04-01	89.360
1990-07-01	87.539
1990-10-01	91.465
1991-01-01	87.682
1991-04-01	81.548
1991-07-01	66.957
1991-10-01	69.276
1992-01-01	64.617
1992-04-01	68.666
1992-07-01	71.617
1992-10-01	74.169
1993-01-01	72.031
1993-04-01	72.259
1993-07-01	71.640
1993-10-01	74.709
1994-01-01	77.493
1994-04-01	77.550
1994-07-01	82.395
1994-10-01	86.174
1995-01-01	94.861
1995-04-01	95.422
1995-07-01	93.389
1995-10-01	93.646
1996-01-01	104.165
1996-04-01	100.811
1996-07-01	101.330
1996-10-01	103.538
1997-01-01	110.976
1997-04-01	109.960
1997-07-01	109.805
1997-10-01	106.482
1998-01-01	115.494
1998-04-01	107.830
1998-07-01	111.421
1998-10-01	114.143
1999-01-01	124.570
1999-04-01	120.062
1999-07-01	123.870
1999-10-01	133.251
2000-01-01	139.176
2000-04-01	141.671
2000-07-01	140.119
2000-10-01	145.516
2001-01-01	149.859
2001-04-01	150.020
2001-07-01	150.320
2001-10-01	155.506
2002-01-01	161.436
2002-04-01	173.194
2002-07-01	178.012
2002-10-01	185.538
2003-01-01	195.816
2003-04-01	201.783
2003-07-01	205.561
2003-10-01	217.124
2004-01-01	243.830
2004-04-01	236.954
2004-07-01	248.215
2004-10-01	285.964
2005-01-01	303.970
2005-04-01	319.309
2005-07-01	345.454
2005-10-01	352.491
2006-01-01	400.093
2006-04-01	394.883
2006-07-01	427.194
2006-10-01	461.699
2007-01-01	520.340
2007-04-01	550.861
2007-07-01	597.981
2007-10-01	634.880
2008-01-01	689.403
2008-04-01	654.686
2008-07-01	644.363
2008-10-01	638.264
2009-01-01	641.097
2009-04-01	671.600
2009-07-01	696.924
2009-10-01	731.315
2010-01-01	829.358
2010-04-01	825.534
2010-07-01	886.660
2010-10-01	971.314
2011-01-01	1015.525
2011-04-01	1035.994
2011-07-01	972.380
2011-10-01	955.165
2012-01-01	1058.222
2012-04-01	1003.291
2012-07-01	1054.815
2012-10-01	1065.805
2013-01-01	1125.412
2013-04-01	1064.527
2013-07-01	1035.294
2013-10-01	1080.220
2014-01-01	1158.296
2014-04-01	1172.256
2014-07-01	1147.776
2014-10-01	1154.779
2015-01-01	1202.856
2015-04-01	1203.409
2015-07-01	1179.986
2015-10-01	1218.834
2016-01-01	1257.124
2016-04-01	1233.279
2016-07-01	1286.893
2016-10-01	1236.060
2017-01-01	1370.089
2017-04-01	1338.166
2017-07-01	1380.961
2017-10-01	1426.365
2018-01-01	1490.243