Quarterly Millions of US Dollars
1975-04-01 16
1977-07-01 68
1978-01-01 87
1978-04-01 98
1978-10-01 81
1979-01-01 104
1979-04-01 179
1979-07-01 47
1979-10-01 87
1980-07-01 140
1980-10-01 25
1981-04-01 115
1981-10-01 50
1982-04-01 -16
1982-07-01 -25
1983-04-01 -30
1984-04-01 -66
1984-07-01 -34
1985-01-01 -46
1985-10-01 -62
1986-01-01 -93
1986-04-01 -92
1986-10-01 -57
1987-04-01 -103
1987-07-01 -16
1987-10-01 -25
1988-01-01 -18
1988-10-01 -70
1989-04-01 -23
1989-07-01 -39
1989-10-01 -112
1990-01-01 -15
1990-07-01 -168
1990-10-01 21
1991-04-01 15
1991-10-01 725
1992-01-01 245
1992-04-01 250
1992-07-01 520
1992-10-01 394
1993-01-01 404
1993-04-01 17561
1993-07-01 1064
1993-10-01 12002
1994-01-01 1537
1994-04-01 64
1994-07-01 1178
1994-10-01 2289
1995-01-01 -676
1995-04-01 1834
1995-07-01 1723
1995-10-01 2375
1996-01-01 2121
1996-04-01 4020
1996-07-01 1678
1996-10-01 3378
1997-01-01 5879
1997-04-01 2045
1997-07-01 6556
1997-10-01 275
1998-01-01 3526
1998-04-01 7226
1998-07-01 1529
1998-10-01 -5928
1999-01-01 1687
1999-04-01 4400
1999-07-01 1750
1999-10-01 2828
2000-01-01 5146
2000-04-01 3763
2000-07-01 2349
2000-10-01 -1839
2001-01-01 1555
2001-04-01 4394
2001-07-01 -830
2001-10-01 -619
2002-01-01 -575
2002-04-01 -454
2002-07-01 -1230
2002-10-01 -436
2003-01-01 -1273
2003-04-01 -957
2003-07-01 -1044
2003-10-01 38
2004-01-01 -542
2004-04-01 -2546
2004-07-01 -1343
2004-10-01 -41
2005-01-01 -90
2005-04-01 -30515
2005-07-01 -111
2005-10-01 362
2006-01-01 207
2006-04-01 -384
2006-07-01 34
2006-10-01 586
2007-01-01 -362
2007-04-01 1616
2007-07-01 1222
2007-10-01 394
2008-01-01 -1691
2008-04-01 -1861
2008-07-01 -553
2008-10-01 -7049
2009-01-01 -790
2009-04-01 -1194
2009-07-01 -2150
2009-10-01 -355
2010-01-01 -289
2010-04-01 1409
2010-07-01 609
2010-10-01 853
2011-01-01 1257
2011-04-01 69
2011-07-01 -574
2011-10-01 -349
2012-01-01 -529
2012-04-01 -427
2012-07-01 -67
2012-10-01 -97
2013-01-01 -100
2013-04-01 -7
2013-10-01 -176
2014-01-01 -98
2014-04-01 958
2014-07-01 -318
2014-10-01 -738
2015-01-01 1537
2015-04-01 774
2015-07-01 69
2015-10-01 -740
2016-01-01 2620
2016-04-01 20106
2016-07-01 6311
2016-10-01 4766
2017-01-01 12372
2017-04-01 13314
2017-07-01 1451
2017-10-01 6246
2018-01-01 10244
2018-04-01 -2230