Quarterly Millions of US Dollars
1984-07-01 50
1986-04-01 100
1987-01-01 -50
1988-01-01 75
1988-07-01 268
1989-01-01 456
1989-07-01 441
1990-01-01 291
1993-04-01 -100
1994-01-01 -94
1994-07-01 -50
1995-01-01 -338
1995-07-01 -448
1995-10-01 33
1996-01-01 70
1996-04-01 46
1996-07-01 -993
1996-10-01 1107
1997-01-01 1353
1997-04-01 3135
1997-07-01 1176
1997-10-01 1562
1998-01-01 781
1998-04-01 4854
1998-07-01 6336
1998-10-01 -224
1999-01-01 -81
1999-04-01 -194
1999-07-01 -211
1999-10-01 -269
2000-01-01 -100
2000-04-01 -281
2000-07-01 19844
2001-01-01 -150
2001-04-01 -359
2001-10-01 253
2002-01-01 661
2002-04-01 320
2002-10-01 1855
2003-01-01 2504
2003-04-01 -215
2003-07-01 1549
2003-10-01 2325
2004-01-01 533
2004-04-01 2173
2004-07-01 3165
2004-10-01 2236
2005-01-01 2030
2005-04-01 5326
2005-07-01 892
2005-10-01 4942
2006-01-01 2747
2006-04-01 2517
2006-07-01 4455
2006-10-01 14712
2007-01-01 9527
2007-04-01 13540
2007-07-01 1315
2007-10-01 11024
2008-01-01 192
2008-04-01 10438
2008-07-01 2191
2008-10-01 -2950
2009-01-01 -3648
2009-04-01 2595
2009-07-01 755
2009-10-01 -3109
2010-01-01 1110
2010-04-01 5080
2010-07-01 7848
2010-10-01 13746
2011-01-01 4755
2011-04-01 6377
2011-07-01 -2608
2011-10-01 -140
2012-01-01 4564
2012-04-01 19803
2012-07-01 30462
2012-10-01 14695
2013-01-01 10543
2013-04-01 10514
2013-07-01 5571
2013-10-01 7223
2014-01-01 -12379
2014-04-01 -3048
2014-07-01 -3688
2014-10-01 134
2015-01-01 -5728
2015-04-01 -5224
2015-07-01 -5162
2015-10-01 -2036
2016-01-01 -4415
2016-04-01 28
2016-07-01 -2605
2016-10-01 6157
2017-01-01 -8550
2017-04-01 -1809
2017-07-01 5595
2017-10-01 -7744
2018-01-01 -6819
2018-04-01 -11075