Quarterly Millions of US Dollars
1988-07-01 2211
1988-10-01 5819
1989-01-01 -1941
1989-04-01 -2288
1989-07-01 1749
1989-10-01 6922
1990-01-01 854
1990-04-01 -8308
1990-07-01 5102
1990-10-01 7197
1991-01-01 1831
1991-04-01 -919
1991-07-01 8608
1991-10-01 8523
1992-01-01 -1067
1992-04-01 2525
1992-07-01 2233
1992-10-01 7167
1993-01-01 5047
1993-04-01 840
1993-07-01 7603
1993-10-01 5234
1994-01-01 -3016
1994-04-01 -4213
1994-07-01 1368
1994-10-01 4070
1995-01-01 895
1995-04-01 3724
1995-07-01 -511
1995-10-01 1424
1996-01-01 -1460
1996-04-01 -2610
1996-07-01 4391
1996-10-01 3232
1997-01-01 -3664
1997-04-01 -848
1997-07-01 2151
1997-10-01 -3921
1998-01-01 -587
1998-04-01 -3604
1998-07-01 3125
1998-10-01 -2613
1999-01-01 -525
1999-04-01 -5531
1999-07-01 -701
1999-10-01 -3666
2000-01-01 -1420
2000-04-01 -2268
2000-07-01 -1292
2000-10-01 -827
2001-01-01 -51
2001-04-01 -2639
2001-07-01 1112
2001-10-01 -1664
2002-01-01 -2371
2002-04-01 738
2002-07-01 6322
2002-10-01 -2775
2003-01-01 -2036
2003-04-01 83
2003-07-01 -3423
2003-10-01 -1548
2004-01-01 1983
2004-04-01 -1938
2004-07-01 -1623
2004-10-01 2741
2005-01-01 431
2005-04-01 727
2005-07-01 -316
2005-10-01 870
2006-01-01 3227
2006-04-01 -6262
2006-07-01 5022
2006-10-01 -4007
2007-01-01 -1621
2007-04-01 3384
2007-07-01 7913
2007-10-01 -1428
2008-01-01 1187
2008-04-01 5201
2008-07-01 7338
2008-10-01 12554
2009-01-01 19349
2009-04-01 32321
2009-07-01 9622
2009-10-01 20358
2010-01-01 24111
2010-04-01 23977
2010-07-01 14127
2010-10-01 13790
2011-01-01 26742
2011-04-01 11618
2011-07-01 44782
2011-10-01 27104
2012-01-01 22257
2012-04-01 17265
2012-07-01 28791
2012-10-01 11993
2013-01-01 13567
2013-04-01 -9867
2013-07-01 22243
2013-10-01 8795
2014-01-01 23316
2014-04-01 22793
2014-07-01 25911
2014-10-01 28472
2015-01-01 25617
2015-04-01 -17861
2015-07-01 30931
2015-10-01 -5380
2016-01-01 26981
2016-04-01 4550
2016-07-01 22267
2016-10-01 -9846
2017-01-01 16561
2017-04-01 12673
2017-07-01 -2923
2017-10-01 15438
2018-01-01 6482