Quarterly Billions of US Dollars
1988-01-01 0.0980
1988-04-01 0.0800
1988-07-01 0.0800
1988-10-01 0.0900
1989-01-01 0.0900
1989-04-01 0.0900
1989-07-01 0.0900
1989-10-01 0.0800
1990-01-01 0.0800
1990-04-01 0.0400
1990-07-01 0.0400
1990-10-01 0.1900
1991-01-01 0.1900
1991-04-01 0.1900
1991-07-01 0.1900
1991-10-01 0.1500
1992-01-01 0.1500
1992-04-01 0.1500
1992-07-01 0.1500
1992-10-01 0.1500
1993-01-01 0.1500
1993-04-01 0.0750
1993-07-01 0.2142
1993-10-01 0.1651
1994-01-01 0.2131
1994-04-01 0.1850
1994-07-01 0.1847
1994-10-01 0.1865
1995-01-01 0.1798
1995-04-01 0.1791
1995-07-01 0.1500
1996-01-01 0.0500
1996-04-01 0.1836
1996-07-01 0.3082
1996-10-01 0.4946
1997-01-01 0.5567
1997-04-01 0.4905
1997-07-01 0.3612
1997-10-01 0.2525
1998-01-01 0.1484
1998-04-01 0.3308
1998-07-01 0.3634
1998-10-01 0.3434
1999-01-01 0.2497
1999-04-01 0.1975
1999-07-01 0.3970
1999-10-01 0.2681
2000-01-01 0.1549
2000-04-01 0.1605
2000-07-01 0.1154
2000-10-01 0.1475
2001-01-01 0.1565
2001-04-01 0.3006
2001-07-01 0.0592
2001-10-01 0.0215
2002-01-01 0.0990
2002-04-01 0.1327
2002-07-01 0.1435
2002-10-01 0.1647
2003-01-01 0.1592
2003-04-01 0.3065
2003-07-01 0.3237
2003-10-01 0.4700
2004-01-01 0.6574
2004-04-01 0.5280
2004-07-01 0.6322
2004-10-01 1.0565
2005-01-01 1.1880
2005-04-01 0.6847
2005-07-01 1.5195
2005-10-01 1.5023
2006-01-01 0.5412
2006-04-01 0.8638
2006-07-01 0.8499
2006-10-01 0.7445
2007-01-01 0.7644
2007-04-01 1.1094
2007-07-01 1.2147
2007-10-01 0.7272
2008-01-01 0.8879
2008-04-01 1.5371
2008-07-01 1.1189
2008-10-01 0.6785
2009-01-01 0.6411
2009-04-01 0.6560
2009-07-01 1.0808
2009-10-01 0.9262
2010-01-01 1.3130
2010-04-01 1.0799
2010-07-01 1.4394
2010-10-01 1.3599
2011-01-01 2.8763
2011-04-01 4.8804
2011-07-01 8.6203
2011-10-01 10.2080
2012-01-01 10.2662
2012-04-01 9.2339
2012-07-01 7.0358
2012-10-01 5.8245
2013-01-01 7.2351
2013-04-01 10.7373
2013-07-01 15.8667
2013-10-01 19.2444
2014-01-01 18.2520
2014-04-01 19.2962
2014-07-01 19.7034
2014-10-01 17.6064
2015-01-01 14.0901
2015-04-01 15.6215