Quarterly Millions of US Dollars
1972-10-01 45
1973-01-01 15
1981-07-01 30
1982-10-01 50
1983-01-01 21
1983-07-01 21
1984-04-01 150
1984-07-01 27
1984-10-01 4
1985-01-01 297
1985-04-01 162
1985-07-01 283
1986-04-01 30
1986-07-01 53
1986-10-01 -180
1987-01-01 114
1987-04-01 170
1987-07-01 83
1987-10-01 -25
1988-01-01 166
1988-04-01 120
1988-07-01 150
1989-01-01 486
1989-04-01 153
1989-10-01 439
1990-01-01 111
1990-07-01 537
1990-10-01 227
1991-01-01 1399
1991-04-01 708
1991-07-01 -48
1991-10-01 377
1992-01-01 547
1992-04-01 809
1992-07-01 506
1992-10-01 613
1993-01-01 967
1993-04-01 761
1993-07-01 728
1993-10-01 1542
1994-01-01 -271
1994-04-01 340
1994-07-01 1200
1994-10-01 1868
1995-01-01 189
1995-04-01 -507
1995-07-01 989
1995-10-01 750
1996-01-01 1991
1996-04-01 -59
1996-07-01 1431
1996-10-01 354
1997-01-01 -59
1997-04-01 -548
1997-07-01 -234
1997-10-01 2390
1998-01-01 3457
1998-04-01 -539
1998-07-01 -411
1998-10-01 -519
1999-01-01 1453
1999-04-01 -505
1999-07-01 75
1999-10-01 -677
2000-01-01 1805
2000-04-01 183
2000-07-01 -66
2000-10-01 -285
2001-01-01 -302
2001-04-01 93
2001-07-01 409
2001-10-01 820
2002-01-01 4813
2002-04-01 -31
2002-07-01 -226
2002-10-01 -895
2003-01-01 9057
2003-04-01 1218
2003-07-01 98
2003-10-01 -544
2004-01-01 -289
2004-04-01 2181
2004-07-01 -542
2004-10-01 -1200
2005-01-01 192
2005-04-01 3411
2005-07-01 -1461
2005-10-01 -346
2006-01-01 5265
2006-04-01 6506
2006-07-01 -1912
2006-10-01 5021
2007-01-01 7494
2007-04-01 8493
2007-07-01 -2515
2007-10-01 -5531
2008-01-01 -4599
2008-04-01 7278
2008-07-01 -3950
2008-10-01 4840
2009-01-01 7585
2009-04-01 14909
2009-07-01 3658
2009-10-01 -11270
2010-01-01 1133
2010-04-01 45922
2010-07-01 7072
2010-10-01 26354
2011-01-01 2843
2011-04-01 12648
2011-07-01 -979
2011-10-01 9174
2012-01-01 -15568
2012-04-01 -19551
2012-07-01 -11210
2012-10-01 -2243
2013-01-01 -3581
2013-04-01 -12617
2013-07-01 -6050
2013-10-01 453
2014-01-01 -1068
2014-04-01 1511
2014-07-01 678
2014-10-01 2882
2015-01-01 -3077
2015-04-01 7176
2015-07-01 319
2015-10-01 -8990
2016-01-01 -12395
2016-04-01 -19475
2016-07-01 -12277
2016-10-01 -4577
2017-01-01 -2289
2017-04-01 -11742
2017-07-01 -5928
2017-10-01 3214
2018-01-01 7817
2018-04-01 2933