Quarterly Millions of US Dollars
1971-04-01 10
1982-01-01 508
1982-10-01 535
1983-10-01 516
1984-07-01 500
1984-10-01 1000
1985-04-01 648
1985-07-01 534
1985-10-01 541
1986-01-01 -149
1986-04-01 295
1986-07-01 4
1986-10-01 289
1987-01-01 4
1987-04-01 221
1987-07-01 5
1987-10-01 3147
1988-01-01 5
1988-04-01 6
1988-07-01 1005
1988-10-01 6
1989-01-01 -58
1989-04-01 79
1989-07-01 6
1989-10-01 -332
1990-01-01 6
1990-04-01 2713
1990-07-01 1236
1990-10-01 -470
1991-01-01 5242
1991-04-01 -211
1991-07-01 7
1991-10-01 -93
1992-01-01 -602
1992-04-01 17
1992-07-01 18
1992-10-01 -226
1993-01-01 3007
1993-04-01 2818
1993-07-01 5916
1993-10-01 18
1994-01-01 2673
1994-04-01 18
1994-07-01 4108
1994-10-01 3087
1995-01-01 -28
1995-04-01 6568
1995-07-01 1324
1995-10-01 625
1996-01-01 -161
1996-04-01 3000
1996-07-01 1529
1996-10-01 918
1997-01-01 801
1997-04-01 1829
1997-07-01 1929
1997-10-01 -365
1998-01-01 1766
1998-04-01 1789
1998-07-01 -1037
1998-10-01 1698
1999-01-01 -2119
1999-04-01 3739
1999-07-01 -2379
1999-10-01 336
2000-01-01 5403
2000-04-01 7962
2000-07-01 -342
2000-10-01 758
2001-01-01 7827
2001-04-01 -1905
2001-07-01 -1051
2001-10-01 4239
2002-01-01 6815
2002-04-01 -2653
2002-07-01 2919
2002-10-01 1996
2003-01-01 11151
2003-04-01 126
2003-07-01 6527
2003-10-01 3221
2004-01-01 13530
2004-04-01 7814
2004-07-01 -2319
2004-10-01 -510
2005-01-01 2374
2005-04-01 3009
2005-07-01 793
2005-10-01 -814
2006-01-01 -11
2006-04-01 2893
2006-07-01 1172
2006-10-01 -8676
2007-01-01 -223
2007-04-01 8801
2007-07-01 -6894
2007-10-01 -2445
2008-01-01 1075
2008-04-01 66
2008-07-01 -23721
2008-10-01 -2524
2009-01-01 1837
2009-04-01 -1198
2009-07-01 -3504
2009-10-01 6057
2010-01-01 1394
2010-04-01 5321
2010-07-01 10776
2010-10-01 2538
2011-01-01 -1526
2011-04-01 1743
2011-07-01 3090
2011-10-01 -3620
2012-01-01 2323
2012-04-01 -2936
2012-07-01 -598
2012-10-01 -4185
2013-01-01 -924
2013-04-01 -1282
2013-07-01 -1530
2013-10-01 -899
2014-01-01 249
2014-04-01 -474
2014-07-01 -7215
2014-10-01 -377
2015-01-01 -5732
2015-04-01 -306
2015-10-01 -6095
2016-01-01 -2000
2016-04-01 2165
2016-07-01 -6454
2016-10-01 5110
2017-01-01 -1040
2017-04-01 6363
2017-07-01 -294
2017-10-01 -6585
2018-01-01 -2484
2018-04-01 -1567