Quarterly Millions of US Dollars
1969-01-01 95
1969-04-01 15
1971-10-01 60
1972-01-01 202
1972-07-01 104
1973-01-01 104
1973-04-01 47
1973-07-01 78
1974-01-01 19
1974-04-01 85
1974-07-01 172
1974-10-01 277
1975-01-01 170
1975-04-01 378
1975-07-01 165
1975-10-01 59
1976-01-01 335
1976-04-01 317
1976-07-01 114
1976-10-01 80
1977-01-01 565
1977-04-01 213
1977-07-01 218
1977-10-01 574
1978-01-01 299
1978-04-01 127
1978-07-01 159
1978-10-01 34
1979-01-01 495
1979-04-01 85
1979-07-01 -166
1979-10-01 -141
1980-01-01 -55
1980-04-01 427
1980-07-01 274
1980-10-01 297
1981-01-01 254
1981-04-01 -21
1981-07-01 81
1981-10-01 205
1982-01-01 -22
1982-04-01 223
1982-07-01 362
1982-10-01 370
1983-01-01 119
1983-04-01 21
1983-07-01 305
1983-10-01 209
1984-01-01 246
1984-04-01 31
1984-07-01 69
1984-10-01 502
1985-01-01 -89
1985-04-01 241
1985-07-01 214
1985-10-01 195
1986-01-01 757
1986-04-01 345
1986-07-01 498
1986-10-01 952
1987-01-01 -391
1987-04-01 434
1987-07-01 -91
1987-10-01 -257
1988-01-01 298
1988-04-01 542
1988-07-01 427
1988-10-01 420
1989-01-01 -53
1989-04-01 887
1989-07-01 565
1989-10-01 585
1990-01-01 1213
1990-04-01 88
1990-07-01 -87
1990-10-01 775
1991-01-01 1158
1991-04-01 413
1991-07-01 1582
1991-10-01 1723
1992-01-01 1354
1992-04-01 2009
1992-07-01 851
1992-10-01 1081
1993-01-01 683
1993-04-01 1644
1993-07-01 4313
1993-10-01 2193
1994-01-01 2620
1994-04-01 1735
1994-07-01 5209
1994-10-01 1558
1995-01-01 2390
1995-04-01 3085
1995-07-01 2190
1995-10-01 2204
1996-01-01 6447
1996-04-01 7721
1996-07-01 3594
1996-10-01 5151
1997-01-01 6216
1997-04-01 5917
1997-07-01 11934
1997-10-01 3828
1998-01-01 6973
1998-04-01 7204
1998-07-01 11385
1998-10-01 9730
1999-01-01 10060
1999-04-01 14898
1999-07-01 17242
1999-10-01 6491
2000-01-01 4888
2000-04-01 17710
2000-07-01 13588
2000-10-01 34776
2001-01-01 14342
2001-04-01 13279
2001-07-01 6237
2001-10-01 19028
2002-01-01 8946
2002-04-01 14808
2002-07-01 15521
2002-10-01 12144
2003-01-01 18437
2003-04-01 24955
2003-07-01 11527
2003-10-01 28082
2004-01-01 15339
2004-04-01 22210
2004-07-01 5241
2004-10-01 20799
2005-01-01 25359
2005-04-01 22424
2005-07-01 15145
2005-10-01 41301
2006-01-01 31239
2006-04-01 36016
2006-07-01 30520
2006-10-01 39550
2007-01-01 40041
2007-04-01 33195
2007-07-01 928
2007-10-01 4887
2008-01-01 35951
2008-04-01 44131
2008-07-01 5157
2008-10-01 21252
2009-01-01 49787
2009-04-01 47580
2009-07-01 21890
2009-10-01 1786
2010-01-01 61989
2010-04-01 -17835
2010-07-01 63647
2010-10-01 11614
2011-01-01 15967
2011-04-01 25160
2011-07-01 18522
2011-10-01 43889
2012-01-01 20349
2012-04-01 359
2012-07-01 9998
2012-10-01 3787
2013-01-01 -14046
2013-04-01 15537
2013-07-01 15532
2013-10-01 -47175
2014-01-01 11114
2014-04-01 12239
2014-07-01 -2529
2014-10-01 -7288
2015-01-01 -760
2015-04-01 14016
2015-07-01 1767
2015-10-01 -25795
2016-01-01 22003
2016-04-01 1281
2016-07-01 -4939
2016-10-01 -31951
2017-01-01 31076
2017-04-01 -5283
2017-07-01 17326
2017-10-01 -19370
2018-01-01 12055
2018-04-01 -767