Quarterly Millions of US Dollars
1971-01-01 61
1971-04-01 51
1971-10-01 20
1972-01-01 97
1972-07-01 51
1972-10-01 79
1973-01-01 65
1973-04-01 114
1973-10-01 71
1974-01-01 15
1974-07-01 35
1975-01-01 39
1975-04-01 209
1975-07-01 93
1975-10-01 56
1976-01-01 39
1976-04-01 59
1976-07-01 8
1976-10-01 72
1977-01-01 28
1977-04-01 15
1977-07-01 39
1977-10-01 121
1978-01-01 98
1978-04-01 202
1978-07-01 139
1978-10-01 70
1979-01-01 98
1979-04-01 -18
1979-07-01 67
1979-10-01 -25
1980-01-01 -40
1980-04-01 -109
1980-07-01 1
1980-10-01 -65
1981-01-01 33
1981-10-01 -18
1982-01-01 19
1982-04-01 74
1982-07-01 -100
1982-10-01 115
1983-01-01 176
1983-04-01 105
1983-07-01 -33
1983-10-01 -56
1984-01-01 14
1984-04-01 72
1984-07-01 53
1984-10-01 1
1985-01-01 62
1985-04-01 301
1985-07-01 53
1985-10-01 -458
1986-01-01 -110
1986-04-01 -20
1986-07-01 65
1986-10-01 -89
1987-01-01 -121
1987-04-01 -14
1987-07-01 -51
1987-10-01 -132
1988-01-01 -135
1988-04-01 -159
1988-07-01 -71
1988-10-01 -26
1989-01-01 -50
1989-04-01 -133
1989-07-01 -18
1989-10-01 -12
1990-01-01 -48
1990-04-01 -477
1990-07-01 -212
1990-10-01 -75
1991-01-01 -128
1991-04-01 -29
1991-07-01 -141
1992-01-01 -34
1992-04-01 145
1992-07-01 -68
1992-10-01 -115
1993-04-01 -216
1993-07-01 3
1993-10-01 0
1994-01-01 0
1994-07-01 0
1995-01-01 -1
1995-07-01 22
1995-10-01 385
1996-01-01 0
1996-04-01 140
1996-07-01 -80
1996-10-01 1800
1997-01-01 22
1997-04-01 -136
1997-07-01 413
1997-10-01 427
1998-01-01 367
1998-04-01 466
1998-07-01 391
1998-10-01 7
1999-01-01 752
1999-04-01 7
1999-07-01 106
1999-10-01 473
2000-01-01 304
2000-04-01 614
2000-07-01 410
2000-10-01 -79
2001-01-01 -11
2001-04-01 317
2001-07-01 121
2001-10-01 2
2002-01-01 10
2002-04-01 -12
2002-07-01 -284
2002-10-01 -102
2003-01-01 17
2003-04-01 34
2003-07-01 4
2003-10-01 5
2004-01-01 1332
2004-04-01 189
2004-07-01 -116
2004-10-01 131
2005-01-01 -64
2005-04-01 -536
2005-07-01 2652
2005-10-01 -232
2006-01-01 2411
2006-04-01 1182
2006-07-01 2370
2006-10-01 3398
2007-01-01 -93
2007-04-01 5299
2007-07-01 3279
2007-10-01 2915
2008-01-01 1909
2008-04-01 3854
2008-07-01 1108
2008-10-01 6
2009-01-01 -131
2009-04-01 536
2009-07-01 7691
2009-10-01 -218
2010-01-01 -85
2010-04-01 1509
2010-07-01 1044
2010-10-01 2398
2011-01-01 3754
2011-04-01 -1264
2011-07-01 -279
2011-10-01 6513
2012-01-01 2925
2012-04-01 495
2012-07-01 1121
2012-10-01 1786
2013-01-01 -555
2013-04-01 -1369
2013-07-01 186
2013-10-01 -1253
2014-01-01 797
2014-04-01 6796
2014-07-01 -3966
2014-10-01 4728
2015-01-01 2224
2015-04-01 2285
2015-07-01 -3
2015-10-01 3934
2016-01-01 -19
2016-04-01 -1128
2016-07-01 -330
2016-10-01 -1303
2017-01-01 -1010
2017-04-01 148
2017-07-01 435
2017-10-01 3834
2018-01-01 -1718
2018-04-01 1155