Quarter	Billions of US Dollars
1966-10-01	35.709
1967-01-01	35.799
1967-04-01	35.709
1967-07-01	37.994
1967-10-01	32.871
1968-01-01	32.745
1968-04-01	34.551
1968-07-01	34.666
1968-10-01	34.584
1969-01-01	34.724
1969-04-01	36.723
1969-07-01	36.592
1969-10-01	36.873
1970-01-01	36.962
1970-04-01	38.828
1970-07-01	38.708
1970-10-01	40.842
1971-01-01	41.237
1971-04-01	41.287
1971-07-01	44.515
1971-10-01	47.908
1972-01-01	53.576
1972-04-01	52.062
1972-07-01	55.738
1972-10-01	56.092
1973-01-01	61.244
1973-04-01	68.274
1973-07-01	65.900
1973-10-01	63.405
1974-01-01	67.374
1974-04-01	69.316
1974-07-01	69.625
1974-10-01	70.148
1975-01-01	74.102
1975-04-01	71.303
1975-07-01	66.288
1975-10-01	70.769
1976-01-01	70.310
1976-04-01	66.858
1976-07-01	65.873
1976-10-01	69.839
1977-01-01	71.907
1977-04-01	74.855
1977-07-01	79.000
1977-10-01	89.588
1978-01-01	90.311
1978-04-01	95.276
1978-07-01	104.377
1978-10-01	113.087
1979-01-01	120.069
1979-04-01	131.233
1979-07-01	140.637
1979-10-01	149.884
1980-01-01	149.944
1980-04-01	171.123
1980-07-01	179.406
1980-10-01	185.168
1981-01-01	179.984
1981-04-01	163.695
1981-07-01	159.000
1981-10-01	174.856
1982-01-01	167.294
1982-04-01	172.064
1982-07-01	176.185
1982-10-01	176.059
1983-01-01	167.789
1983-04-01	181.282
1983-07-01	184.951
1983-10-01	186.796
1984-01-01	195.164
1984-04-01	192.859
1984-07-01	184.021
1984-10-01	178.535
1985-01-01	197.579
1985-04-01	208.744
1985-07-01	240.355
1985-10-01	251.158
1986-01-01	271.840
1986-04-01	294.568
1986-07-01	282.345
1986-10-01	303.589
1987-01-01	343.414
1987-04-01	358.998
1987-07-01	379.718
1987-10-01	455.943
1988-01-01	476.317
1988-04-01	456.544
1988-07-01	477.171
1988-10-01	533.242
1989-01-01	514.856
1989-04-01	491.345
1989-07-01	534.635
1989-10-01	548.949
1990-01-01	575.002
1990-04-01	635.247
1990-07-01	702.634
1990-10-01	740.435
1991-01-01	676.840
1991-04-01	649.878
1991-07-01	714.756
1991-10-01	771.556
1992-01-01	720.767
1992-04-01	795.835
1992-07-01	757.905
1992-10-01	651.955
1993-01-01	646.062
1993-04-01	653.858
1993-07-01	661.741
1993-10-01	657.936
1994-01-01	668.358
1994-04-01	701.185
1994-07-01	728.640
1994-10-01	731.766
1995-01-01	762.699
1995-04-01	762.616
1995-07-01	766.303
1995-10-01	759.974
1996-01-01	751.376
1996-04-01	774.654
1996-07-01	791.793
1996-10-01	869.232
1997-01-01	844.033
1997-04-01	878.644
1997-07-01	865.499
1997-10-01	900.883
1998-01-01	927.254
1998-04-01	936.131
1998-07-01	973.934
1998-10-01	965.774
1999-01-01	952.834
1999-04-01	948.703
1999-07-01	1018.807
1999-10-01	1021.737
2000-01-01	1027.700
2000-04-01	995.593
2000-07-01	988.355
2000-10-01	1021.649
2001-01-01	995.501
2001-04-01	1006.756
2001-07-01	1080.991
2001-10-01	1097.581
2002-01-01	1105.554
2002-04-01	1229.823
2002-07-01	1303.476
2002-10-01	1379.740
2003-01-01	1378.603
2003-04-01	1485.386
2003-07-01	1555.916
2003-10-01	1731.832
2004-01-01	1825.880
2004-04-01	1860.448
2004-07-01	1916.331
2004-10-01	2106.673
2005-01-01	2085.150
2005-04-01	2038.501
2005-07-01	2049.138
2005-10-01	2038.590
2006-01-01	2091.102
2006-04-01	2268.338
2006-07-01	2383.015
2006-10-01	2560.145
2007-01-01	2605.756
2007-04-01	2734.208
2007-07-01	2848.616
2007-10-01	2851.283
2008-01-01	2865.524
2008-04-01	2907.925
2008-07-01	2663.567
2008-10-01	2153.830
2009-01-01	2104.188
2009-04-01	2438.890
2009-07-01	2364.998
2009-10-01	2387.056
2010-01-01	2244.986
2010-04-01	2217.947
2010-07-01	2349.397
2010-10-01	2293.868
2011-01-01	2371.381
2011-04-01	2368.665
2011-07-01	2306.807
2011-10-01	2298.262
2012-01-01	2373.046
2012-04-01	2332.336
2012-07-01	2431.886
2012-10-01	2434.905
2013-01-01	2279.558
2013-04-01	2302.472
2013-07-01	2451.494
2013-10-01	2520.870
2014-01-01	2546.194
2014-04-01	2626.224
2014-07-01	2512.071
2014-10-01	2438.171
2015-01-01	2335.473
2015-04-01	2500.764
2015-07-01	2437.644
2015-10-01	2400.958
2016-01-01	2353.748
2016-04-01	2228.630
2016-07-01	2182.565
2016-10-01	2091.715
2017-01-01	2149.158
2017-04-01	2261.236
2017-07-01	2344.138
2017-10-01	2381.861
2018-01-01	2487.816