Quarterly Millions of US Dollars
1977-04-01 50
1980-04-01 30
1982-04-01 -50
1982-07-01 19
1982-10-01 24
1983-01-01 21
1983-10-01 30
1984-01-01 121
1984-04-01 124
1984-07-01 41
1984-10-01 41
1985-01-01 38
1985-04-01 58
1985-07-01 129
1985-10-01 41
1986-01-01 82
1986-04-01 166
1986-07-01 125
1986-10-01 30
1987-01-01 98
1987-04-01 174
1987-07-01 346
1987-10-01 2
1988-01-01 469
1988-04-01 655
1988-10-01 670
1989-07-01 53
1989-10-01 -100
1990-07-01 -4
1990-10-01 -760
1991-01-01 -741
1991-04-01 -108
1991-07-01 -40
1991-10-01 216
1992-04-01 -93
1992-07-01 -226
1992-10-01 -36
1993-01-01 512
1993-04-01 -335
1993-07-01 925
1993-10-01 1000
1994-01-01 700
1994-04-01 -120
1994-07-01 1524
1994-10-01 440
1995-01-01 847
1995-04-01 1228
1995-07-01 -91
1995-10-01 1219
1996-01-01 380
1996-04-01 1366
1996-07-01 -272
1996-10-01 -99
1997-01-01 657
1997-04-01 842
1997-07-01 528
1997-10-01 741
1998-01-01 751
1998-04-01 192
1998-07-01 -6
1998-10-01 64
1999-01-01 -1362
1999-04-01 131
1999-07-01 -323
1999-10-01 2368
2000-01-01 216
2000-04-01 -35
2000-07-01 260
2000-10-01 602
2001-01-01 2007
2001-04-01 830
2001-07-01 1051
2001-10-01 1510
2002-01-01 2002
2002-04-01 1574
2002-07-01 566
2002-10-01 26
2003-01-01 3003
2003-04-01 1111
2003-07-01 1686
2003-10-01 953
2004-01-01 -2246
2004-04-01 3118
2004-07-01 -1331
2004-10-01 -207
2005-01-01 -10
2005-04-01 -351
2005-07-01 -470
2005-10-01 7315
2006-01-01 2985
2006-04-01 723
2006-07-01 2801
2006-10-01 5968
2007-01-01 -631
2007-04-01 12680
2007-07-01 -1782
2007-10-01 1950
2008-01-01 5625
2008-04-01 12297
2008-07-01 2475
2008-10-01 4769
2009-01-01 9952
2009-04-01 10744
2009-07-01 8941
2009-10-01 10316
2010-01-01 5051
2010-04-01 -3458
2010-07-01 374
2010-10-01 549
2011-01-01 407
2011-04-01 -9361
2011-07-01 -1712
2011-10-01 1738
2012-01-01 -7988
2012-04-01 -5224
2012-07-01 -6436
2012-10-01 4409
2013-01-01 -2615
2013-04-01 -7260
2013-07-01 -790
2013-10-01 -107
2014-01-01 -3544
2014-04-01 -8789
2014-07-01 3107
2014-10-01 -9068
2015-01-01 -1880
2015-04-01 721
2015-07-01 -1287
2015-10-01 -560
2016-01-01 43
2016-04-01 -1450
2016-07-01 1088
2016-10-01 -7252
2017-01-01 -4110
2017-04-01 1443
2017-07-01 744
2017-10-01 -1193
2018-01-01 2646
2018-04-01 1448