Quarter	Billions of US Dollars
1952-01-01	105.232
1952-04-01	107.373
1952-07-01	109.691
1952-10-01	112.537
1953-01-01	114.106
1953-04-01	115.808
1953-07-01	117.326
1953-10-01	117.609
1954-01-01	118.969
1954-04-01	120.059
1954-07-01	122.051
1954-10-01	123.758
1955-01-01	125.322
1955-04-01	128.692
1955-07-01	131.367
1955-10-01	136.054
1956-01-01	139.057
1956-04-01	142.890
1956-07-01	145.665
1956-10-01	148.890
1957-01-01	151.790
1957-04-01	155.673
1957-07-01	157.909
1957-10-01	161.010
1958-01-01	163.197
1958-04-01	165.505
1958-07-01	167.587
1958-10-01	172.145
1959-01-01	174.495
1959-04-01	179.951
1959-07-01	182.513
1959-10-01	186.894
1960-01-01	190.164
1960-04-01	194.605
1960-07-01	196.295
1960-10-01	200.616
1961-01-01	202.432
1961-04-01	206.398
1961-07-01	208.978
1961-10-01	214.704
1962-01-01	217.280
1962-04-01	223.174
1962-07-01	226.422
1962-10-01	232.768
1963-01-01	235.934
1963-04-01	241.563
1963-07-01	244.674
1963-10-01	252.156
1964-01-01	255.509
1964-04-01	262.377
1964-07-01	266.649
1964-10-01	274.192
1965-01-01	280.648
1965-04-01	289.380
1965-07-01	294.843
1965-10-01	303.787
1966-01-01	312.600
1966-04-01	324.503
1966-07-01	330.310
1966-10-01	338.202
1967-01-01	345.764
1967-04-01	356.551
1967-07-01	362.385
1967-10-01	370.856
1968-01-01	380.008
1968-04-01	391.589
1968-07-01	399.341
1968-10-01	412.656
1969-01-01	422.809
1969-04-01	438.515
1969-07-01	448.466
1969-10-01	460.784
1970-01-01	473.295
1970-04-01	490.568
1970-07-01	500.807
1970-10-01	511.941
1971-01-01	522.502
1971-04-01	539.576
1971-07-01	551.513
1971-10-01	563.398
1972-01-01	577.248
1972-04-01	597.749
1972-07-01	610.926
1972-10-01	634.365
1973-01-01	657.374
1973-04-01	686.378
1973-07-01	707.937
1973-10-01	727.578
1974-01-01	749.163
1974-04-01	780.394
1974-07-01	799.779
1974-10-01	820.315
1975-01-01	829.621
1975-04-01	842.650
1975-07-01	849.064
1975-10-01	860.266
1976-01-01	871.648
1976-04-01	892.780
1976-07-01	908.503
1976-10-01	931.428
1977-01-01	958.206
1977-04-01	990.313
1977-07-01	1014.244
1977-10-01	1050.133
1978-01-01	1080.109
1978-04-01	1120.824
1978-07-01	1148.685
1978-10-01	1184.262
1979-01-01	1220.058
1979-04-01	1271.168
1979-07-01	1311.131
1979-10-01	1343.789
1980-01-01	1384.832
1980-04-01	1406.542
1980-07-01	1433.520
1980-10-01	1474.673
1981-01-01	1510.048
1981-04-01	1568.883
1981-07-01	1619.465
1981-10-01	1658.457
1982-01-01	1701.077
1982-04-01	1749.650
1982-07-01	1787.369
1982-10-01	1807.588
1983-01-01	1856.426
1983-04-01	1897.393
1983-07-01	1938.066
1983-10-01	1996.223
1984-01-01	2067.152
1984-04-01	2158.862
1984-07-01	2226.600
1984-10-01	2320.616
1985-01-01	2373.153
1985-04-01	2443.200
1985-07-01	2487.572
1985-10-01	2571.990
1986-01-01	2634.044
1986-04-01	2714.234
1986-07-01	2776.021
1986-10-01	2865.996
1987-01-01	2927.158
1987-04-01	2988.780
1987-07-01	3040.381
1987-10-01	3110.821
1988-01-01	3184.647
1988-04-01	3268.654
1988-07-01	3324.812
1988-10-01	3407.695
1989-01-01	3478.854
1989-04-01	3555.540
1989-07-01	3587.407
1989-10-01	3645.685
1990-01-01	3706.600
1990-04-01	3746.893
1990-07-01	3766.789
1990-10-01	3775.977
1991-01-01	3761.487
1991-04-01	3767.990
1991-07-01	3730.461
1991-10-01	3688.580
1992-01-01	3701.570
1992-04-01	3700.495
1992-07-01	3688.672
1992-10-01	3680.382
1993-01-01	3712.622
1993-04-01	3754.223
1993-07-01	3776.241
1993-10-01	3805.564
1994-01-01	3880.051
1994-04-01	3931.089
1994-07-01	3967.647
1994-10-01	4016.889
1995-01-01	4096.358
1995-04-01	4176.390
1995-07-01	4209.643
1995-10-01	4269.163
1996-01-01	4329.235
1996-04-01	4406.473
1996-07-01	4454.683
1996-10-01	4489.418
1997-01-01	4576.179
1997-04-01	4670.194
1997-07-01	4774.912
1997-10-01	4868.315
1998-01-01	5022.299
1998-04-01	5183.526
1998-07-01	5294.580
1998-10-01	5425.153
1999-01-01	5603.552
1999-04-01	5719.907
1999-07-01	5910.509
1999-10-01	6025.304
2000-01-01	6200.665
2000-04-01	6384.331
2000-07-01	6474.636
2000-10-01	6575.595
2001-01-01	6634.299
2001-04-01	6752.653
2001-07-01	6810.333
2001-10-01	6869.398
2002-01-01	6915.432
2002-04-01	6951.005
2002-07-01	6974.975
2002-10-01	7027.419
2003-01-01	7044.816
2003-04-01	7073.035
2003-07-01	7106.841
2003-10-01	7113.222
2004-01-01	7251.607
2004-04-01	7323.691
2004-07-01	7431.648
2004-10-01	7550.306
2005-01-01	7672.134
2005-04-01	7833.307
2005-07-01	7968.603
2005-10-01	8155.093
2006-01-01	8336.212
2006-04-01	8560.694
2006-07-01	8704.409
2006-10-01	8972.027
2007-01-01	9196.497
2007-04-01	9512.895
2007-07-01	9811.298
2007-10-01	10097.931
2008-01-01	10293.214
2008-04-01	10507.799
2008-07-01	10637.831
2008-10-01	10664.508
2009-01-01	10587.292
2009-04-01	10508.503
2009-07-01	10347.164
2009-10-01	10143.198
2010-01-01	10106.565
2010-04-01	10017.914
2010-07-01	10068.284
2010-10-01	9994.992
2011-01-01	10021.537
2011-04-01	10080.016
2011-07-01	10161.780
2011-10-01	10257.597
2012-01-01	10335.905
2012-04-01	10426.180
2012-07-01	10586.733
2012-10-01	10760.411
2013-01-01	10845.810
2013-04-01	10990.402
2013-07-01	11154.416
2013-10-01	11244.528
2014-01-01	11416.515
2014-04-01	11566.643
2014-07-01	11740.011
2014-10-01	11943.769
2015-01-01	12168.274
2015-04-01	12430.143
2015-07-01	12577.824
2015-10-01	12742.158
2016-01-01	13018.269
2016-04-01	13164.235
2016-07-01	13371.601
2016-10-01	13437.451
2017-01-01	13703.222
2017-04-01	13908.392
2017-07-01	14092.082
2017-10-01	14271.167
2018-01-01	14427.271