Quarterly Millions of US Dollars
1973-01-01 10
1976-07-01 100
1977-04-01 30
1978-07-01 30
1980-04-01 -45
1980-07-01 53
1982-10-01 100
1983-01-01 143
1983-04-01 150
1983-07-01 -9
1983-10-01 20
1984-07-01 40
1984-10-01 15
1985-10-01 -87
1986-04-01 52
1986-07-01 28
1986-10-01 154
1987-01-01 93
1987-04-01 297
1987-07-01 32
1988-01-01 -1
1988-07-01 81
1988-10-01 40
1989-01-01 117
1989-07-01 -10
1989-10-01 -115
1990-01-01 -150
1990-04-01 -150
1990-07-01 -32
1990-10-01 126
1991-01-01 -130
1991-10-01 -106
1992-01-01 -93
1992-04-01 -327
1992-07-01 -53
1993-04-01 -25
1993-07-01 237
1993-10-01 648
1994-01-01 169
1994-04-01 245
1994-07-01 240
1994-10-01 690
1995-01-01 -513
1995-04-01 21
1995-07-01 630
1995-10-01 192
1996-01-01 875
1996-04-01 607
1996-07-01 -878
1996-10-01 236
1997-01-01 131
1997-04-01 149
1997-07-01 165
1997-10-01 -102
1998-01-01 476
1998-04-01 827
1998-07-01 -724
1998-10-01 -1091
1999-01-01 -444
1999-04-01 314
1999-07-01 -473
1999-10-01 311
2000-01-01 337
2000-04-01 336
2000-07-01 -217
2000-10-01 -212
2001-01-01 -190
2001-04-01 -580
2001-07-01 -118
2001-10-01 -134
2002-01-01 49
2002-04-01 -107
2002-07-01 -113
2002-10-01 -64
2003-01-01 627
2003-04-01 156
2003-07-01 165
2003-10-01 -161
2004-01-01 372
2004-04-01 1
2004-07-01 207
2004-10-01 323
2005-01-01 820
2005-04-01 -194
2005-07-01 401
2005-10-01 675
2006-01-01 215
2006-04-01 -256
2006-07-01 82
2006-10-01 -475
2007-01-01 685
2007-04-01 1037
2007-07-01 919
2007-10-01 358
2008-01-01 581
2008-04-01 320
2008-07-01 647
2008-10-01 -799
2009-01-01 -551
2009-04-01 1616
2009-07-01 -315
2009-10-01 -175
2010-01-01 -22
2010-04-01 -198
2010-07-01 7
2010-10-01 -581
2011-01-01 -209
2011-04-01 1637
2011-07-01 431
2011-10-01 1023
2012-01-01 377
2012-04-01 626
2012-07-01 39
2012-10-01 842
2013-01-01 887
2013-04-01 -1395
2013-07-01 -231
2013-10-01 -225
2014-01-01 18
2014-04-01 -1579
2014-07-01 1213
2014-10-01 -1
2015-01-01 1717
2015-04-01 614
2015-07-01 -307
2015-10-01 -228
2016-01-01 55
2016-04-01 -265
2016-07-01 -136
2016-10-01 417
2017-01-01 1895
2017-04-01 -73
2017-07-01 -1403
2017-10-01 661
2018-01-01 -1382
2018-04-01 769