Quarter	Billions of US Dollars
1953-07-01	4.892
1953-10-01	4.949
1954-01-01	5.037
1954-04-01	5.131
1954-07-01	5.218
1954-10-01	5.310
1955-01-01	5.405
1955-04-01	5.502
1955-07-01	5.599
1955-10-01	5.698
1956-01-01	5.813
1956-04-01	5.927
1956-07-01	6.046
1956-10-01	6.161
1957-01-01	6.240
1957-04-01	6.322
1957-07-01	6.376
1957-10-01	6.466
1958-01-01	6.545
1958-04-01	6.610
1958-07-01	6.680
1958-10-01	6.756
1959-01-01	6.827
1959-04-01	7.024
1959-07-01	7.122
1959-10-01	7.320
1960-01-01	7.493
1960-04-01	7.712
1960-07-01	7.920
1960-10-01	8.292
1961-01-01	8.538
1961-04-01	8.794
1961-07-01	8.921
1961-10-01	9.415
1962-01-01	9.629
1962-04-01	9.907
1962-07-01	10.076
1962-10-01	10.415
1963-01-01	10.506
1963-04-01	10.774
1963-07-01	11.001
1963-10-01	11.339
1964-01-01	11.922
1964-04-01	12.240
1964-07-01	12.382
1964-10-01	12.750
1965-01-01	12.887
1965-04-01	13.181
1965-07-01	13.474
1965-10-01	13.832
1966-01-01	13.912
1966-04-01	14.335
1966-07-01	14.555
1966-10-01	14.872
1967-01-01	15.090
1967-04-01	15.457
1967-07-01	15.638
1967-10-01	16.286
1968-01-01	16.655
1968-04-01	17.252
1968-07-01	17.523
1968-10-01	18.207
1969-01-01	18.698
1969-04-01	19.539
1969-07-01	20.430
1969-10-01	20.688
1970-01-01	21.191
1970-04-01	21.694
1970-07-01	21.982
1970-10-01	22.860
1971-01-01	23.383
1971-04-01	25.232
1971-07-01	26.416
1971-10-01	27.546
1972-01-01	28.469
1972-04-01	30.070
1972-07-01	30.158
1972-10-01	31.551
1973-01-01	36.879
1973-04-01	41.475
1973-07-01	41.110
1973-10-01	39.815
1974-01-01	43.635
1974-04-01	44.738
1974-07-01	46.122
1974-10-01	53.078
1975-01-01	53.345
1975-04-01	54.924
1975-07-01	50.436
1975-10-01	55.502
1976-01-01	57.606
1976-04-01	60.336
1976-07-01	61.477
1976-10-01	64.301
1977-01-01	61.694
1977-04-01	65.287
1977-07-01	69.555
1977-10-01	85.684
1978-01-01	91.360
1978-04-01	94.457
1978-07-01	114.527
1978-10-01	114.906
1979-01-01	109.205
1979-04-01	113.627
1979-07-01	122.719
1979-10-01	124.070
1980-01-01	109.766
1980-04-01	128.527
1980-07-01	128.300
1980-10-01	124.920
1981-01-01	116.689
1981-04-01	113.351
1981-07-01	118.201
1981-10-01	129.899
1982-01-01	118.269
1982-04-01	110.288
1982-07-01	111.288
1982-10-01	123.924
1983-01-01	119.469
1983-04-01	120.976
1983-07-01	121.521
1983-10-01	120.889
1984-01-01	122.529
1984-04-01	116.579
1984-07-01	110.115
1984-10-01	108.551
1985-01-01	110.181
1985-04-01	113.106
1985-07-01	133.528
1985-10-01	145.193
1986-01-01	156.939
1986-04-01	174.504
1986-07-01	193.737
1986-10-01	200.474
1987-01-01	219.214
1987-04-01	223.359
1987-07-01	225.295
1987-10-01	275.614
1988-01-01	266.854
1988-04-01	249.783
1988-07-01	243.423
1988-10-01	265.320
1989-01-01	250.680
1989-04-01	259.625
1989-07-01	274.331
1989-10-01	296.064
1990-01-01	312.754
1990-04-01	339.968
1990-07-01	376.609
1990-10-01	387.097
1991-01-01	342.523
1991-04-01	325.715
1991-07-01	352.025
1991-10-01	379.038
1992-01-01	345.601
1992-04-01	379.325
1992-07-01	425.745
1992-10-01	359.872
1993-01-01	352.029
1993-04-01	353.436
1993-07-01	371.535
1993-10-01	352.613
1994-01-01	374.257
1994-04-01	394.854
1994-07-01	415.075
1994-10-01	407.857
1995-01-01	470.770
1995-04-01	469.636
1995-07-01	471.882
1995-10-01	477.083
1996-01-01	469.135
1996-04-01	448.897
1996-07-01	444.934
1996-10-01	416.814
1997-01-01	391.060
1997-04-01	390.258
1997-07-01	390.830
1997-10-01	391.515
1998-01-01	375.749
1998-04-01	379.848
1998-07-01	413.670
1998-10-01	416.221
1999-01-01	395.346
1999-04-01	385.083
1999-07-01	404.471
1999-10-01	380.531
2000-01-01	372.822
2000-04-01	374.264
2000-07-01	352.351
2000-10-01	375.524
2001-01-01	363.142
2001-04-01	353.569
2001-07-01	390.524
2001-10-01	372.951
2002-01-01	374.249
2002-04-01	428.966
2002-07-01	426.268
2002-10-01	460.003
2003-01-01	472.129
2003-04-01	475.985
2003-07-01	489.760
2003-10-01	530.763
2004-01-01	521.177
2004-04-01	535.377
2004-07-01	541.465
2004-10-01	598.631
2005-01-01	579.714
2005-04-01	546.844
2005-07-01	549.843
2005-10-01	539.813
2006-01-01	556.341
2006-04-01	595.980
2006-07-01	608.099
2006-10-01	629.766
2007-01-01	642.388
2007-04-01	650.074
2007-07-01	689.703
2007-10-01	739.611
2008-01-01	840.401
2008-04-01	830.776
2008-07-01	779.524
2008-10-01	803.944
2009-01-01	761.685
2009-04-01	812.468
2009-07-01	857.020
2009-10-01	863.856
2010-01-01	851.566
2010-04-01	824.491
2010-07-01	921.470
2010-10-01	969.796
2011-01-01	999.668
2011-04-01	1113.958
2011-07-01	1039.935
2011-10-01	1002.615
2012-01-01	1057.941
2012-04-01	1007.407
2012-07-01	1039.876
2012-10-01	1083.847
2013-01-01	1049.468
2013-04-01	1064.603
2013-07-01	1117.451
2013-10-01	1157.847
2014-01-01	1173.745
2014-04-01	1179.170
2014-07-01	1100.808
2014-10-01	1068.896
2015-01-01	1091.841
2015-04-01	1143.056
2015-07-01	1100.421
2015-10-01	1069.582
2016-01-01	1120.584
2016-04-01	1109.724
2016-07-01	1122.303
2016-10-01	1077.138
2017-01-01	1102.648
2017-04-01	1158.049
2017-07-01	1150.759
2017-10-01	1153.526
2018-01-01	1190.117