Quarterly Billions of US Dollars
1989-10-01 0.641
1990-01-01 0.449
1990-04-01 0.234
1990-07-01 0.882
1990-10-01 1.262
1991-01-01 0.738
1991-04-01 1.591
1991-07-01 1.140
1991-10-01 0.941
1992-01-01 1.139
1992-04-01 1.789
1992-07-01 2.846
1992-10-01 2.644
1993-01-01 1.612
1993-04-01 1.684
1993-07-01 2.080
1993-10-01 2.226
1994-01-01 1.888
1994-04-01 2.088
1994-07-01 2.095
1994-10-01 2.114
1995-01-01 1.954
1995-04-01 1.875
1995-07-01 2.137
1995-10-01 2.138
1996-01-01 2.688
1996-04-01 2.879
1996-07-01 2.910
1996-10-01 2.792
1997-01-01 3.233
1997-04-01 3.540
1997-07-01 3.889
1997-10-01 3.676
1998-01-01 3.433
1998-04-01 3.068
1998-07-01 3.535
1998-10-01 3.259
1999-01-01 3.070
1999-04-01 3.281
1999-07-01 3.263
1999-10-01 3.298
2000-01-01 3.353
2000-04-01 4.253
2000-07-01 4.051
2000-10-01 3.858
2001-01-01 9.485
2001-04-01 10.401
2001-07-01 9.582
2001-10-01 6.395
2002-01-01 5.549
2002-04-01 6.437
2002-07-01 5.601
2002-10-01 7.155
2003-01-01 8.939
2003-04-01 9.848
2003-07-01 11.557
2003-10-01 11.296
2004-01-01 12.257
2004-04-01 12.127
2004-07-01 14.493
2004-10-01 18.807
2005-01-01 17.471
2005-04-01 17.519
2005-07-01 17.871
2005-10-01 17.390
2006-01-01 18.566
2006-04-01 16.036
2006-07-01 16.141
2006-10-01 18.478
2007-01-01 18.725
2007-04-01 20.412
2007-07-01 23.016
2007-10-01 23.250
2008-01-01 19.323
2008-04-01 22.332
2008-07-01 23.475
2008-10-01 21.899
2009-01-01 23.389
2009-04-01 30.004
2009-07-01 30.712
2009-10-01 30.788
2010-01-01 31.995
2010-04-01 32.917
2010-07-01 36.721
2010-10-01 37.977
2011-01-01 38.882
2011-04-01 39.456
2011-07-01 34.232
2011-10-01 33.720
2012-01-01 35.271
2012-04-01 33.218
2012-07-01 32.223
2012-10-01 29.771
2013-01-01 29.730
2013-04-01 28.136
2013-07-01 28.634
2013-10-01 26.175
2014-01-01 26.348
2014-04-01 26.566
2014-07-01 25.826
2014-10-01 25.896
2015-01-01 23.765