Quarterly Billions of US Dollars
1971-01-01 0.0300
1972-04-01 0.0350
1974-04-01 0.0239
1974-07-01 0.0516
1974-10-01 0.0081
1975-01-01 0.0454
1975-04-01 0.2048
1975-07-01 0.0191
1976-01-01 0.1080
1976-07-01 0.1000
1976-10-01 0.0968
1977-04-01 0.1200
1977-07-01 0.1062
1978-01-01 0.0527
1978-07-01 0.0240
1978-10-01 0.0840
1979-01-01 0.1000
1979-07-01 0.1295
1980-04-01 0.1296
1981-07-01 0.0233
1981-10-01 0.0283
1982-04-01 0.1300
1982-10-01 0.7000
1983-01-01 0.2000
1983-04-01 0.5126
1983-07-01 0.0520
1983-10-01 0.1606
1984-01-01 0.0507
1984-04-01 0.1000
1984-07-01 0.3150
1984-10-01 0.3759
1985-01-01 0.1178
1985-04-01 0.1995
1985-07-01 0.2453
1985-10-01 0.4672
1986-01-01 0.6939
1986-04-01 0.5907
1986-07-01 0.4870
1986-10-01 0.5995
1987-01-01 0.5497
1987-04-01 0.4372
1987-07-01 0.2071
1987-10-01 0.2062
1988-01-01 0.0507
1988-04-01 0.5377
1988-07-01 0.1175
1988-10-01 0.9161
1989-01-01 0.2400
1989-07-01 0.4862
1989-10-01 0.1739
1990-01-01 0.7132
1990-04-01 0.2257
1990-07-01 0.4245
1990-10-01 0.7061
1991-01-01 1.0004
1991-04-01 2.0947
1991-07-01 1.0422
1991-10-01 0.8760
1992-01-01 0.9207
1992-04-01 0.6508
1992-07-01 0.5849
1992-10-01 1.3220
1993-01-01 2.1313
1993-04-01 1.0307
1993-07-01 2.1304
1993-10-01 1.2862
1994-01-01 1.7110
1994-04-01 1.5323
1994-07-01 1.3081
1994-10-01 2.6441
1995-01-01 1.5033
1995-04-01 2.5412
1995-07-01 3.3296
1995-10-01 1.0237
1996-01-01 5.1614
1996-04-01 3.6407
1996-07-01 1.2461
1996-10-01 4.2752
1997-01-01 3.3453
1997-04-01 5.3597
1997-07-01 7.2323
1997-10-01 8.0778
1998-01-01 5.6140
1998-04-01 8.8213
1998-07-01 5.1560
1998-10-01 3.6326
1999-01-01 4.5705
1999-04-01 5.7871
1999-07-01 4.8169
1999-10-01 2.6045
2000-01-01 6.3439
2000-04-01 7.8189
2000-07-01 11.3974
2000-10-01 7.6837
2001-01-01 6.2122
2001-04-01 7.4008
2001-07-01 6.9711
2001-10-01 8.4426
2002-01-01 5.1931
2002-04-01 11.2028
2002-07-01 4.4297
2002-10-01 7.3205
2003-01-01 5.7269
2003-04-01 6.2402
2003-07-01 14.2353
2003-10-01 16.0232
2004-01-01 35.4870
2004-04-01 13.4260
2004-07-01 27.6619
2004-10-01 29.6551
2005-01-01 15.1598
2005-04-01 15.6728
2005-07-01 39.2882
2005-10-01 17.4453
2006-01-01 23.8151
2006-04-01 21.8903
2006-07-01 25.8935
2006-10-01 17.6846
2007-01-01 31.8749
2007-04-01 32.9623
2007-07-01 20.2958
2007-10-01 17.3974
2008-01-01 16.2630
2008-04-01 42.2612
2008-07-01 21.8894
2008-10-01 10.7837
2009-01-01 34.9845
2009-04-01 22.9979
2009-07-01 17.3323
2009-10-01 13.1874
2010-01-01 21.8502
2010-04-01 10.3403
2010-07-01 21.0040
2010-10-01 7.6614
2011-01-01 9.9805
2011-04-01 12.5365
2011-07-01 9.7530
2011-10-01 11.6305
2012-01-01 28.2786
2012-04-01 14.5035
2012-07-01 14.7855
2012-10-01 17.3848
2013-01-01 9.6048
2013-04-01 6.6493
2013-07-01 12.2356
2013-10-01 13.3346
2014-01-01 14.8437
2014-04-01 32.8566
2014-07-01 27.3377
2014-10-01 17.5408
2015-01-01 26.0189
2015-04-01 33.6519