Quarterly Millions of US Dollars
1971-10-01 31
1972-01-01 82
1972-04-01 40
1972-07-01 20
1972-10-01 35
1973-01-01 61
1973-07-01 51
1973-10-01 66
1974-10-01 50
1975-01-01 132
1975-04-01 77
1975-07-01 24
1975-10-01 62
1976-01-01 62
1976-04-01 143
1976-07-01 91
1976-10-01 81
1977-01-01 120
1977-04-01 306
1977-07-01 470
1977-10-01 492
1978-01-01 463
1978-04-01 124
1978-07-01 100
1978-10-01 100
1979-01-01 65
1979-07-01 173
1979-10-01 7
1980-01-01 -37
1980-04-01 201
1980-07-01 25
1980-10-01 75
1981-01-01 75
1981-04-01 539
1981-07-01 420
1981-10-01 790
1982-01-01 629
1982-04-01 133
1982-07-01 91
1982-10-01 -87
1983-01-01 -198
1983-04-01 -96
1983-07-01 -67
1983-10-01 -160
1984-01-01 -44
1984-04-01 -74
1984-07-01 -153
1984-10-01 -25
1985-01-01 -61
1985-04-01 -39
1985-07-01 -134
1985-10-01 -313
1986-04-01 -151
1986-07-01 -110
1986-10-01 -362
1987-01-01 -271
1987-04-01 -195
1987-07-01 -31
1987-10-01 -305
1988-01-01 -241
1988-04-01 -353
1988-07-01 -563
1988-10-01 -397
1989-01-01 -151
1989-04-01 -49
1989-07-01 -85
1989-10-01 31
1990-01-01 35347
1990-04-01 497
1990-07-01 763
1990-10-01 223
1991-01-01 339
1991-04-01 975
1991-07-01 467
1991-10-01 791
1992-01-01 192
1992-04-01 76
1992-07-01 489
1992-10-01 2202
1993-01-01 588
1993-04-01 2151
1993-07-01 2515
1993-10-01 1959
1994-01-01 4610
1994-04-01 1221
1994-07-01 1427
1994-10-01 -1211
1995-01-01 -3481
1995-04-01 -398
1995-07-01 2650
1995-10-01 909
1996-01-01 2835
1996-04-01 367
1996-07-01 7125
1996-10-01 695
1997-01-01 2636
1997-04-01 5319
1997-07-01 -3565
1997-10-01 -67
1998-01-01 1835
1998-04-01 -210
1998-07-01 360
1998-10-01 -553
1999-01-01 168
1999-04-01 4422
1999-07-01 296
1999-10-01 1277
2000-01-01 3062
2000-04-01 -363
2000-07-01 1266
2000-10-01 -2587
2001-01-01 5316
2001-04-01 -4166
2001-07-01 1198
2001-10-01 -5608
2002-01-01 -177
2002-04-01 -5139
2002-07-01 -294
2002-10-01 833
2003-01-01 -8318
2003-04-01 -3229
2003-07-01 -3994
2003-10-01 1038
2004-01-01 1146
2004-04-01 -887
2004-07-01 231
2004-10-01 101
2005-01-01 2822
2005-04-01 658
2005-07-01 145
2005-10-01 702
2006-01-01 716
2006-04-01 -1193
2006-07-01 -1214
2006-10-01 824
2007-01-01 -560
2007-04-01 400
2007-07-01 579
2007-10-01 1763
2008-01-01 -997
2008-04-01 -656
2008-07-01 -559
2008-10-01 -1475
2009-01-01 -1246
2009-04-01 2794
2009-07-01 4090
2009-10-01 8405
2010-01-01 4607
2010-04-01 7220
2010-07-01 3594
2010-10-01 176
2011-01-01 4640
2011-04-01 5462
2011-07-01 5651
2011-10-01 4729
2012-01-01 7183
2012-04-01 2549
2012-07-01 9550
2012-10-01 6368
2013-01-01 3894
2013-04-01 5691
2013-07-01 10372
2013-10-01 15336
2014-01-01 7080
2014-04-01 10769
2014-07-01 3754
2014-10-01 6437
2015-01-01 7901
2015-04-01 7756
2015-07-01 -134
2015-10-01 3404
2016-01-01 20987
2016-04-01 3722
2016-07-01 1959
2016-10-01 6026
2017-01-01 5489
2017-04-01 -4204
2017-07-01 12319
2017-10-01 478
2018-01-01 9463
2018-04-01 5056