Quarterly Billions of US Dollars
1990-04-01 0.00200
1990-07-01 0.03900
1990-10-01 0.23600
1991-01-01 0.07900
1991-04-01 0.00900
1991-07-01 0.03400
1991-10-01 0.03200
1992-01-01 0.04200
1992-04-01 0.02000
1992-07-01 0.01900
1992-10-01 0.00800
1993-01-01 0.00800
1993-04-01 0.13800
1993-07-01 0.19587
1993-10-01 0.32251
1994-01-01 0.37609
1994-04-01 0.82107
1994-07-01 0.87997
1994-10-01 0.49816
1995-01-01 0.16711
1995-04-01 0.23416
1995-07-01 0.14366
1995-10-01 0.22561
1996-01-01 0.35100
1996-04-01 0.32562
1996-07-01 0.16309
1996-10-01 0.07783
1997-01-01 0.16071
1997-04-01 0.06613
1997-07-01 0.34721
1997-10-01 0.31103
1998-01-01 0.37844
1998-04-01 0.23044
1998-07-01 0.05611
1998-10-01 0.02078
1999-01-01 0.03743
1999-04-01 0.11901
1999-07-01 0.13760
1999-10-01 0.22319
2000-01-01 0.21866
2000-04-01 0.24023
2000-07-01 0.32708
2000-10-01 0.38869
2001-01-01 0.33034
2001-04-01 0.29033
2001-07-01 0.21006
2001-10-01 0.27568
2002-01-01 0.24237
2002-04-01 0.29666
2002-07-01 0.69200
2002-10-01 0.73836
2003-01-01 0.79197
2003-04-01 0.72066
2003-07-01 0.83647
2003-10-01 0.81558
2004-01-01 1.37552
2004-04-01 1.61523
2004-07-01 2.07698
2004-10-01 2.31101
2005-01-01 1.92632
2005-04-01 1.81832
2005-07-01 1.87092
2005-10-01 2.16578
2006-01-01 3.19230
2006-04-01 3.62558
2006-07-01 2.64044
2006-10-01 2.19568
2007-01-01 1.86933
2007-04-01 1.96439
2007-07-01 2.37629
2007-10-01 3.27530
2008-01-01 4.85088
2008-04-01 4.84644
2008-07-01 6.24863
2008-10-01 3.43709
2009-01-01 2.80890
2009-04-01 2.38850
2009-07-01 3.00489
2009-10-01 1.72852
2010-01-01 2.89513
2010-04-01 2.81126
2010-07-01 2.54609
2010-10-01 2.52545
2011-01-01 1.83056
2011-04-01 2.04304
2011-07-01 3.75459
2011-10-01 2.03210
2012-01-01 4.12817
2012-04-01 6.34842
2012-07-01 7.27985
2012-10-01 3.74103
2013-01-01 3.36506
2013-04-01 3.73908
2013-07-01 4.58015
2013-10-01 5.21051
2014-01-01 5.68333
2014-04-01 4.30672
2014-07-01 3.77478
2014-10-01 2.08196
2015-01-01 1.19542
2015-04-01 1.60204