Quarterly Millions of US Dollars
1971-01-01 15
1971-10-01 48
1972-01-01 79
1972-04-01 32
1972-07-01 120
1972-10-01 66
1973-01-01 71
1973-04-01 13
1973-07-01 69
1974-01-01 31
1974-04-01 2
1974-10-01 60
1975-01-01 146
1975-04-01 28
1975-07-01 155
1975-10-01 87
1976-01-01 67
1976-04-01 35
1976-07-01 65
1976-10-01 181
1977-01-01 58
1977-04-01 110
1977-07-01 73
1977-10-01 186
1978-01-01 326
1978-04-01 296
1978-07-01 153
1978-10-01 242
1979-01-01 301
1979-04-01 138
1979-07-01 29
1979-10-01 164
1980-01-01 -6
1980-04-01 70
1980-07-01 -24
1980-10-01 -8
1981-01-01 14
1981-04-01 259
1981-07-01 25
1981-10-01 205
1982-01-01 95
1982-04-01 225
1982-07-01 184
1982-10-01 151
1983-01-01 124
1983-04-01 185
1983-07-01 118
1983-10-01 -22
1984-01-01 292
1984-04-01 268
1984-07-01 231
1984-10-01 230
1985-01-01 279
1985-04-01 167
1985-07-01 158
1985-10-01 -166
1986-01-01 476
1986-04-01 425
1986-07-01 675
1986-10-01 468
1987-01-01 967
1987-04-01 450
1987-07-01 -142
1987-10-01 720
1988-01-01 638
1988-04-01 1308
1988-07-01 177
1988-10-01 1158
1989-01-01 1502
1989-04-01 615
1989-07-01 431
1989-10-01 937
1990-01-01 1175
1990-04-01 1338
1990-07-01 1535
1990-10-01 1752
1991-01-01 1164
1991-04-01 1403
1991-07-01 1080
1991-10-01 959
1992-01-01 1204
1992-04-01 3887
1992-07-01 2168
1992-10-01 2861
1993-01-01 2179
1993-04-01 853
1993-07-01 1867
1993-10-01 -901
1994-01-01 1365
1994-04-01 1465
1994-07-01 4034
1994-10-01 -350
1995-01-01 396
1995-04-01 -1160
1995-07-01 -162
1995-10-01 -1788
1996-01-01 1050
1996-04-01 -1213
1996-07-01 -1264
1996-10-01 1253
1997-01-01 1075
1997-04-01 -983
1997-07-01 -1272
1997-10-01 -1699
1998-01-01 -2618
1998-04-01 -5
1998-07-01 -335
1998-10-01 -2360
1999-01-01 -1046
1999-04-01 688
1999-07-01 1588
1999-10-01 -916
2000-01-01 -1971
2000-04-01 928
2000-07-01 -920
2000-10-01 -1073
2001-01-01 -694
2001-04-01 5268
2001-07-01 -1303
2001-10-01 -254
2002-01-01 1132
2002-04-01 -1566
2002-07-01 -565
2002-10-01 1480
2003-01-01 6837
2003-04-01 3130
2003-07-01 2150
2003-10-01 -24
2004-01-01 4584
2004-04-01 2244
2004-07-01 -2846
2004-10-01 4691
2005-01-01 -1055
2005-04-01 408
2005-07-01 2189
2005-10-01 2317
2006-01-01 3746
2006-04-01 3002
2006-07-01 -7671
2006-10-01 -6
2007-01-01 -1408
2007-04-01 2578
2007-07-01 -7799
2007-10-01 -3242
2008-01-01 -2688
2008-04-01 3304
2008-07-01 -3793
2008-10-01 977
2009-01-01 6262
2009-04-01 2655
2009-07-01 2772
2009-10-01 1913
2010-01-01 3741
2010-04-01 -925
2010-07-01 2411
2010-10-01 8239
2011-01-01 13619
2011-04-01 5428
2011-07-01 2069
2011-10-01 1090
2012-01-01 10907
2012-04-01 10725
2012-07-01 1074
2012-10-01 1048
2013-01-01 6655
2013-04-01 4678
2013-07-01 4866
2013-10-01 5387
2014-01-01 6346
2014-04-01 6949
2014-07-01 2673
2014-10-01 2727
2015-01-01 3414
2015-04-01 5872
2015-07-01 4851
2015-10-01 -3362
2016-01-01 -2334
2016-04-01 4545
2016-07-01 -9
2016-10-01 2904
2017-01-01 4552
2017-04-01 732
2017-07-01 2998
2017-10-01 4219
2018-01-01 7770
2018-04-01 -1334