Quarterly Millions of US Dollars
1971-10-01 15
1973-07-01 77
1974-01-01 50
1975-01-01 24
1977-04-01 107
1977-07-01 21
1978-07-01 -48
1981-10-01 55
1982-07-01 23
1982-10-01 40
1983-10-01 50
1984-07-01 -13
1984-10-01 75
1985-01-01 36
1985-04-01 -64
1985-07-01 -50
1985-10-01 24
1986-04-01 -36
1986-07-01 94
1986-10-01 26
1987-04-01 214
1988-01-01 156
1988-04-01 6
1988-07-01 -24
1989-04-01 128
1989-10-01 -50
1990-04-01 117
1991-01-01 -67
1991-04-01 274
1991-07-01 155
1991-10-01 -85
1992-04-01 24
1992-07-01 -7
1992-10-01 2
1993-01-01 2
1993-04-01 159
1993-07-01 1680
1993-10-01 2669
1994-01-01 2137
1994-04-01 764
1994-07-01 1078
1994-10-01 1960
1995-01-01 -26
1995-04-01 -245
1995-07-01 72
1995-10-01 818
1996-01-01 1788
1996-04-01 -953
1996-07-01 1125
1996-10-01 600
1997-01-01 1880
1997-04-01 2484
1997-07-01 3219
1997-10-01 -346
1998-01-01 163
1998-04-01 -222
1998-07-01 -418
1998-10-01 -868
1999-01-01 2814
1999-04-01 -72
1999-07-01 725
1999-10-01 -469
2000-01-01 899
2000-04-01 -108
2000-07-01 4446
2000-10-01 142
2001-01-01 3472
2001-04-01 3729
2001-07-01 -46
2001-10-01 1166
2002-01-01 1403
2002-04-01 803
2002-07-01 -104
2002-10-01 -158
2003-01-01 2006
2003-04-01 951
2003-07-01 -119
2003-10-01 4672
2004-01-01 -547
2004-04-01 -616
2004-07-01 1279
2004-10-01 1454
2005-01-01 1562
2005-04-01 1954
2005-07-01 2135
2005-10-01 638
2006-01-01 52
2006-04-01 1142
2006-07-01 1025
2006-10-01 3221
2007-01-01 273
2007-04-01 3493
2007-07-01 -1246
2007-10-01 473
2008-01-01 -273
2008-04-01 2192
2008-07-01 1508
2008-10-01 -1484
2009-01-01 -1406
2009-04-01 2540
2009-07-01 5863
2009-10-01 3351
2010-01-01 898
2010-04-01 -24
2010-07-01 4145
2010-10-01 2906
2011-01-01 -3024
2011-04-01 3095
2011-07-01 130
2011-10-01 346
2012-01-01 12943
2012-04-01 8300
2012-07-01 2529
2012-10-01 3733
2013-01-01 1688
2013-04-01 5423
2013-07-01 -2153
2013-10-01 1587
2014-01-01 6047
2014-04-01 1850
2014-07-01 1760
2014-10-01 4855
2015-01-01 3365
2015-04-01 -1206
2015-07-01 -3530
2015-10-01 1140
2016-01-01 851
2016-04-01 5516
2016-07-01 1505
2016-10-01 4918
2017-01-01 -1052
2017-04-01 5875
2017-07-01 8960
2017-10-01 1763
2018-01-01 2394
2018-04-01 2981