Quarterly Millions of US Dollars
1966-01-01 15
1972-01-01 50
1972-04-01 15
1974-07-01 34
1974-10-01 84
1975-01-01 31
1975-04-01 87
1975-07-01 286
1975-10-01 33
1976-04-01 150
1976-07-01 71
1976-10-01 191
1977-01-01 30
1977-04-01 231
1977-07-01 173
1977-10-01 110
1978-01-01 303
1978-04-01 174
1978-10-01 316
1979-01-01 96
1979-04-01 152
1979-07-01 157
1979-10-01 0
1980-04-01 94
1980-07-01 -12
1980-10-01 25
1981-01-01 97
1981-04-01 114
1981-07-01 -6
1981-10-01 249
1982-01-01 443
1982-04-01 180
1982-07-01 32
1982-10-01 486
1983-01-01 280
1983-04-01 -126
1983-07-01 -38
1984-01-01 136
1984-04-01 105
1984-07-01 84
1984-10-01 616
1985-01-01 34
1985-04-01 225
1985-07-01 522
1985-10-01 -71
1986-01-01 506
1986-04-01 516
1986-07-01 1007
1986-10-01 325
1987-01-01 544
1987-04-01 420
1987-07-01 -307
1987-10-01 -91
1988-01-01 -351
1988-04-01 878
1988-07-01 -109
1988-10-01 110
1989-01-01 -570
1989-04-01 -34
1989-07-01 27
1989-10-01 327
1990-01-01 -199
1990-04-01 264
1990-07-01 -55
1990-10-01 -330
1991-01-01 -57
1991-04-01 3
1991-07-01 -197
1991-10-01 -745
1992-01-01 69
1992-04-01 -1206
1992-07-01 -207
1992-10-01 -323
1993-01-01 -833
1993-04-01 -498
1993-07-01 609
1993-10-01 31
1994-01-01 33
1994-04-01 171
1994-07-01 257
1994-10-01 -202
1995-01-01 -101
1995-04-01 -468
1995-07-01 -190
1995-10-01 -66
1996-01-01 80
1996-04-01 -468
1996-07-01 -763
1996-10-01 226
1997-01-01 -337
1997-04-01 344
1997-07-01 -136
1997-10-01 740
1998-01-01 164
1998-04-01 -544
1998-07-01 -259
1998-10-01 188
1999-01-01 -63
1999-04-01 -568
1999-07-01 492
1999-10-01 -99
2000-01-01 195
2000-04-01 329
2000-07-01 -383
2000-10-01 518
2001-01-01 -239
2001-04-01 637
2001-07-01 -423
2001-10-01 240
2002-01-01 -284
2002-04-01 730
2002-07-01 229
2002-10-01 -742
2003-01-01 1674
2003-04-01 -48
2003-07-01 -881
2003-10-01 196
2004-01-01 1447
2004-04-01 777
2004-07-01 2206
2004-10-01 3204
2005-01-01 1523
2005-04-01 -57
2005-07-01 17
2005-10-01 -176
2006-01-01 -673
2006-04-01 273
2006-07-01 -166
2006-10-01 -1338
2007-01-01 -1476
2007-04-01 -347
2007-07-01 189
2007-10-01 1845
2008-01-01 1220
2008-04-01 -3960
2008-07-01 -1787
2008-10-01 -1387
2009-01-01 -1129
2009-04-01 -449
2009-07-01 -2478
2009-10-01 1816
2010-01-01 -1180
2010-04-01 -9
2010-07-01 -158
2010-10-01 3683
2011-01-01 2861
2011-04-01 -266
2011-07-01 2882
2011-10-01 782
2012-01-01 1317
2012-04-01 -270
2012-07-01 1704
2012-10-01 -347
2013-01-01 537
2013-04-01 150
2013-07-01 610
2013-10-01 789
2014-01-01 -3185
2014-04-01 975
2014-07-01 -266
2014-10-01 -171
2015-01-01 -221
2015-04-01 124
2015-07-01 225
2015-10-01 52
2016-01-01 456
2016-04-01 3926
2016-07-01 -1307
2016-10-01 -2640
2017-01-01 89
2017-04-01 175
2017-07-01 1407
2017-10-01 1656
2018-01-01 -34
2018-04-01 -154