Quarterly Millions of US Dollars
1988-07-01 5117
1988-10-01 4396
1989-01-01 4378
1989-04-01 3343
1989-07-01 7286
1989-10-01 7208
1990-01-01 560
1990-04-01 -5218
1990-07-01 9899
1990-10-01 5238
1991-01-01 6433
1991-04-01 -2054
1991-07-01 5060
1991-10-01 6147
1992-01-01 1204
1992-04-01 4320
1992-07-01 1507
1992-10-01 5133
1993-01-01 3213
1993-04-01 -2324
1993-07-01 3737
1993-10-01 4396
1994-01-01 -249
1994-04-01 -5363
1994-07-01 1797
1994-10-01 6392
1995-01-01 2928
1995-04-01 2569
1995-07-01 3895
1995-10-01 6408
1996-01-01 3096
1996-04-01 657
1996-07-01 5616
1996-10-01 9381
1997-01-01 -3935
1997-04-01 4607
1997-07-01 6260
1997-10-01 -460
1998-01-01 924
1998-04-01 3446
1998-07-01 7441
1998-10-01 3937
1999-01-01 6035
1999-04-01 914
1999-07-01 6589
1999-10-01 2858
2000-01-01 5817
2000-04-01 -203
2000-07-01 -313
2000-10-01 72
2001-01-01 4362
2001-04-01 -2036
2001-07-01 2884
2001-10-01 6330
2002-01-01 3367
2002-04-01 4033
2002-07-01 13042
2002-10-01 -3875
2003-01-01 3441
2003-04-01 9662
2003-07-01 679
2003-10-01 12220
2004-01-01 16996
2004-04-01 3828
2004-07-01 11046
2004-10-01 16819
2005-01-01 17268
2005-04-01 10274
2005-07-01 1433
2005-10-01 19408
2006-01-01 15006
2006-04-01 14652
2006-07-01 16430
2006-10-01 10656
2007-01-01 11016
2007-04-01 33393
2007-07-01 84452
2007-10-01 47023
2008-01-01 29512
2008-04-01 35796
2008-07-01 14605
2008-10-01 57981
2009-01-01 -11783
2009-04-01 19838
2009-07-01 8292
2009-10-01 13994
2010-01-01 -3316
2010-04-01 15382
2010-07-01 9321
2010-10-01 28233
2011-01-01 16501
2011-04-01 18767
2011-07-01 63179
2011-10-01 20769
2012-01-01 67080
2012-04-01 14630
2012-07-01 38310
2012-10-01 -10025
2013-01-01 -645
2013-04-01 3259
2013-07-01 17192
2013-10-01 22313
2014-01-01 38168
2014-04-01 45786
2014-07-01 46153
2014-10-01 54627
2015-01-01 35531
2015-04-01 -14165
2015-07-01 33430
2015-10-01 -2146
2016-01-01 37191
2016-04-01 8364
2016-07-01 22367
2016-10-01 -22163
2017-01-01 26567
2017-04-01 2985
2017-07-01 -8929
2017-10-01 21048
2018-01-01 16251