Quarter	Billions of US Dollars
1975-10-01	0.0175
1976-01-01	0.0175
1976-04-01	0.0175
1976-07-01	0.0175
1976-10-01	0.0175
1977-01-01	0.0175
1977-04-01	0.0175
1977-07-01	0.0175
1977-10-01	0.0175
1978-01-01	0.0175
1978-04-01	0.0175
1978-07-01	0.1220
1978-10-01	0.1236
1979-01-01	0.1561
1979-04-01	0.1546
1979-07-01	0.1839
1979-10-01	0.1820
1980-01-01	0.1697
1980-04-01	0.1855
1980-07-01	0.2296
1980-10-01	0.2214
1981-01-01	0.2094
1981-04-01	0.2379
1981-07-01	0.2383
1981-10-01	0.2748
1982-01-01	0.2563
1982-04-01	0.4495
1982-07-01	0.4792
1982-10-01	0.5777
1983-01-01	0.6080
1983-04-01	0.6030
1983-07-01	0.8934
1983-10-01	0.8919
1984-01-01	0.9028
1984-04-01	0.8833
1984-07-01	0.8352
1984-10-01	0.8281
1985-01-01	0.8279
1985-04-01	0.8313
1985-07-01	0.8335
1985-10-01	0.8096
1986-01-01	1.1360
1986-04-01	1.1589
1986-07-01	1.1824
1986-10-01	1.1518
1987-01-01	1.1807
1987-04-01	1.1774
1987-07-01	1.1782
1987-10-01	1.2242
1988-01-01	1.2148
1988-04-01	1.1893
1988-07-01	1.1076
1988-10-01	1.2960
1989-01-01	1.2343
1989-04-01	1.2096
1989-07-01	1.0890
1989-10-01	1.1080
1990-01-01	1.1024
1990-04-01	1.1074
1990-07-01	1.4104
1990-10-01	1.6587
1991-01-01	1.6217
1991-04-01	1.8739
1991-07-01	1.8863
1991-10-01	1.9457
1992-01-01	1.9959
1992-04-01	1.8422
1992-07-01	2.0954
1992-10-01	2.2377
1993-01-01	2.2081
1993-04-01	2.1983
1993-07-01	2.2166
1993-10-01	2.2290
1994-01-01	2.3160
1994-04-01	3.4114
1994-07-01	3.7412
1994-10-01	3.8136
1995-01-01	3.3032
1995-04-01	3.3017
1995-07-01	3.4276
1995-10-01	3.7605
1996-01-01	3.9093
1996-04-01	4.1134
1996-07-01	4.7515
1996-10-01	5.4833
1997-01-01	6.2472
1997-04-01	6.5546
1997-07-01	6.3011
1997-10-01	6.2460
1998-01-01	5.5090
1998-04-01	5.8963
1998-07-01	5.8650
1998-10-01	5.5827
1999-01-01	5.4964
1999-04-01	5.5117
1999-07-01	3.7969
1999-10-01	3.3977
2000-01-01	4.1237
2000-04-01	3.3341
2000-07-01	3.3035
2000-10-01	2.7634
2001-01-01	2.3984
2001-04-01	2.0227
2001-07-01	1.8582
2001-10-01	1.8566
2002-01-01	1.7800
2002-04-01	1.9150
2002-07-01	1.7450
2002-10-01	1.8950
2003-01-01	1.9000
2003-04-01	2.2868
2003-07-01	2.6309
2003-10-01	2.6287
2004-01-01	3.9361
2004-04-01	3.9615
2004-07-01	3.9618
2004-10-01	4.0103
2005-01-01	4.2129
2005-04-01	5.1920
2005-07-01	5.2903
2005-10-01	6.5744
2006-01-01	8.5801
2006-04-01	8.3405
2006-07-01	7.9423
2006-10-01	8.0113
2007-01-01	9.3604
2007-04-01	10.2365
2007-07-01	10.2375
2007-10-01	10.2144
2008-01-01	12.2115
2008-04-01	13.8088
2008-07-01	13.7610
2008-10-01	13.4600
2009-01-01	18.1600
2009-04-01	18.7100
2009-07-01	19.6749
2009-10-01	20.9552
2010-01-01	23.8103
2010-04-01	24.0800
2010-07-01	23.8881
2010-10-01	24.4348
2011-01-01	23.9762
2011-04-01	28.1253
2011-07-01	28.1882
2011-10-01	31.0108
2012-01-01	35.0498
2012-04-01	40.4664
2012-07-01	40.4097
2012-10-01	42.6409
2013-01-01	43.7213
2013-04-01	48.7844
2013-07-01	51.3407
2013-10-01	51.3770
2014-01-01	54.1420
2014-04-01	54.9651
2014-07-01	58.5337
2014-10-01	59.0946
2015-01-01	65.1359
2015-04-01	72.2559