Quarter	Billions of US Dollars
1955-01-01	15.750
1955-04-01	16.412
1955-07-01	17.247
1955-10-01	18.251
1956-01-01	18.892
1956-04-01	19.732
1956-07-01	20.261
1956-10-01	20.812
1957-01-01	21.246
1957-04-01	21.687
1957-07-01	22.260
1957-10-01	23.007
1958-01-01	23.503
1958-04-01	24.121
1958-07-01	24.777
1958-10-01	25.820
1959-01-01	26.370
1959-04-01	27.267
1959-07-01	28.584
1959-10-01	30.423
1960-01-01	31.362
1960-04-01	32.504
1960-07-01	33.578
1960-10-01	34.203
1961-01-01	37.216
1961-04-01	38.733
1961-07-01	39.922
1961-10-01	41.379
1962-01-01	42.381
1962-04-01	44.050
1962-07-01	45.223
1962-10-01	46.855
1963-01-01	47.943
1963-04-01	49.844
1963-07-01	50.993
1963-10-01	52.810
1964-01-01	53.821
1964-04-01	55.783
1964-07-01	57.329
1964-10-01	59.212
1965-01-01	60.630
1965-04-01	62.437
1965-07-01	63.776
1965-10-01	65.729
1966-01-01	67.028
1966-04-01	69.312
1966-07-01	70.589
1966-10-01	71.716
1967-01-01	71.983
1967-04-01	73.082
1967-07-01	73.889
1967-10-01	75.922
1968-01-01	77.144
1968-04-01	79.164
1968-07-01	81.384
1968-10-01	84.949
1969-01-01	86.759
1969-04-01	89.794
1969-07-01	93.118
1969-10-01	106.237
1970-01-01	109.131
1970-04-01	113.711
1970-07-01	116.042
1970-10-01	119.945
1971-01-01	122.383
1971-04-01	131.118
1971-07-01	143.347
1971-10-01	152.444
1972-01-01	161.374
1972-04-01	168.772
1972-07-01	171.139
1972-10-01	180.622
1973-01-01	209.373
1973-04-01	252.068
1973-07-01	258.342
1973-10-01	237.210
1974-01-01	256.448
1974-04-01	256.699
1974-07-01	252.339
1974-10-01	282.992
1975-01-01	290.612
1975-04-01	292.154
1975-07-01	260.112
1975-10-01	272.540
1976-01-01	282.958
1976-04-01	286.893
1976-07-01	309.989
1976-10-01	330.716
1977-01-01	328.932
1977-04-01	345.420
1977-07-01	356.343
1977-10-01	404.407
1978-01-01	422.784
1978-04-01	424.459
1978-07-01	466.485
1978-10-01	516.575
1979-01-01	511.646
1979-04-01	536.978
1979-07-01	582.989
1979-10-01	609.773
1980-01-01	547.712
1980-04-01	622.310
1980-07-01	613.558
1980-10-01	591.297
1981-01-01	559.949
1981-04-01	500.243
1981-07-01	522.418
1981-10-01	551.575
1982-01-01	514.541
1982-04-01	512.918
1982-07-01	506.218
1982-10-01	550.954
1983-01-01	537.332
1983-04-01	524.897
1983-07-01	517.160
1983-10-01	513.891
1984-01-01	542.620
1984-04-01	514.994
1984-07-01	482.111
1984-10-01	473.905
1985-01-01	488.772
1985-04-01	498.939
1985-07-01	573.862
1985-10-01	641.788
1986-01-01	683.107
1986-04-01	733.442
1986-07-01	799.344
1986-10-01	850.149
1987-01-01	910.916
1987-04-01	906.469
1987-07-01	915.701
1987-10-01	1079.115
1988-01-01	1032.796
1988-04-01	955.727
1988-07-01	935.629
1988-10-01	1014.384
1989-01-01	957.969
1989-04-01	946.380
1989-07-01	1005.801
1989-10-01	1141.223
1990-01-01	1159.066
1990-04-01	1182.639
1990-07-01	1288.205
1990-10-01	1384.035
1991-01-01	1224.985
1991-04-01	1192.016
1991-07-01	1328.761
1991-10-01	1513.755
1992-01-01	1426.972
1992-04-01	1580.644
1992-07-01	1740.685
1992-10-01	1547.812
1993-01-01	1568.889
1993-04-01	1526.818
1993-07-01	1620.539
1993-10-01	1570.618
1994-01-01	1651.938
1994-04-01	1764.658
1994-07-01	1857.439
1994-10-01	1891.740
1995-01-01	2105.743
1995-04-01	2135.313
1995-07-01	2108.412
1995-10-01	2145.194
1996-01-01	2111.398
1996-04-01	2073.595
1996-07-01	2095.569
1996-10-01	2129.139
1997-01-01	1990.237
1997-04-01	1950.035
1997-07-01	1946.530
1997-10-01	1962.740
1998-01-01	1935.140
1998-04-01	2007.645
1998-07-01	2191.537
1998-10-01	2256.153
1999-01-01	2106.979
1999-04-01	2052.809
1999-07-01	2146.575
1999-10-01	2070.940
2000-01-01	2021.842
2000-04-01	2024.525
2000-07-01	1880.781
2000-10-01	2016.432
2001-01-01	1946.808
2001-04-01	1858.699
2001-07-01	1999.600
2001-10-01	1949.950
2002-01-01	1916.234
2002-04-01	2190.115
2002-07-01	2177.127
2002-10-01	2329.412
2003-01-01	2407.455
2003-04-01	2529.743
2003-07-01	2579.141
2003-10-01	2789.936
2004-01-01	2680.317
2004-04-01	2669.299
2004-07-01	2720.186
2004-10-01	2970.191
2005-01-01	2806.500
2005-04-01	2623.100
2005-07-01	2618.895
2005-10-01	2557.891
2006-01-01	2634.978
2006-04-01	2785.974
2006-07-01	2782.058
2006-10-01	2879.536
2007-01-01	2896.922
2007-04-01	2941.806
2007-07-01	3106.179
2007-10-01	3247.299
2008-01-01	3495.093
2008-04-01	3506.496
2008-07-01	3195.574
2008-10-01	3130.910
2009-01-01	2980.997
2009-04-01	3154.449
2009-07-01	3260.146
2009-10-01	3182.881
2010-01-01	2965.877
2010-04-01	2713.613
2010-07-01	3012.721
2010-10-01	2954.447
2011-01-01	3147.807
2011-04-01	3208.802
2011-07-01	3020.053
2011-10-01	2896.067
2012-01-01	2999.442
2012-04-01	2835.334
2012-07-01	2923.438
2012-10-01	2978.000
2013-01-01	2893.908
2013-04-01	2958.528
2013-07-01	3058.818
2013-10-01	3125.294
2014-01-01	3125.552
2014-04-01	3114.650
2014-07-01	2879.703
2014-10-01	2766.595
2015-01-01	2465.205
2015-04-01	2577.752
2015-07-01	2597.271
2015-10-01	2536.425
2016-01-01	2673.369
2016-04-01	2622.539
2016-07-01	2658.602
2016-10-01	2522.990
2017-01-01	2581.313
2017-04-01	2783.824
2017-07-01	2910.107
2017-10-01	2978.725
2018-01-01	3092.880