Quarterly Millions of US Dollars
1972-01-01 42
1972-07-01 20
1973-07-01 13
1973-10-01 36
1974-10-01 50
1975-01-01 58
1975-04-01 24
1975-10-01 25
1976-10-01 56
1977-04-01 117
1977-07-01 283
1977-10-01 267
1978-01-01 145
1978-04-01 34
1978-07-01 50
1978-10-01 100
1979-01-01 65
1979-07-01 73
1980-01-01 56
1980-04-01 125
1980-10-01 60
1981-04-01 357
1981-07-01 395
1981-10-01 446
1982-01-01 170
1982-04-01 109
1982-07-01 -19
1982-10-01 -40
1983-01-01 -30
1983-04-01 -27
1983-07-01 -47
1983-10-01 -137
1984-04-01 -37
1984-07-01 -101
1985-04-01 -23
1985-07-01 -35
1985-10-01 -109
1986-10-01 -211
1987-01-01 -129
1987-04-01 -109
1987-07-01 -2
1987-10-01 -185
1988-01-01 -29
1988-04-01 -253
1988-07-01 -388
1988-10-01 -291
1989-04-01 -117
1989-07-01 -85
1989-10-01 46
1990-01-01 1046
1990-04-01 548
1990-07-01 293
1990-10-01 398
1991-01-01 168
1991-04-01 925
1991-07-01 139
1991-10-01 100
1992-01-01 96
1992-04-01 167
1992-07-01 324
1992-10-01 1537
1993-01-01 518
1993-04-01 1761
1993-07-01 868
1993-10-01 912
1994-01-01 2817
1994-04-01 -35
1994-07-01 171
1994-10-01 -375
1995-01-01 -1620
1995-04-01 23
1995-07-01 253
1995-10-01 16
1996-01-01 -297
1996-04-01 -56
1996-07-01 -377
1996-10-01 256
1997-01-01 545
1997-04-01 2215
1997-07-01 2249
1997-10-01 -686
1998-01-01 1080
1998-04-01 -94
1998-07-01 914
1998-10-01 33
1999-01-01 -501
1999-04-01 1821
1999-07-01 100
1999-10-01 11
2000-01-01 1187
2000-04-01 98
2000-07-01 14
2000-10-01 -1015
2001-01-01 845
2001-04-01 -63
2001-07-01 446
2001-10-01 -334
2002-01-01 -1346
2002-04-01 -1025
2002-07-01 -1042
2002-10-01 90
2003-01-01 -920
2003-04-01 -984
2003-07-01 -895
2003-10-01 818
2004-01-01 301
2004-04-01 -1868
2004-07-01 -61
2004-10-01 -271
2005-01-01 1833
2005-04-01 774
2005-07-01 120
2005-10-01 811
2006-01-01 455
2006-04-01 -168
2006-07-01 -34
2006-10-01 1384
2007-01-01 1113
2007-04-01 -100
2007-07-01 -670
2007-10-01 1644
2008-01-01 -356
2008-04-01 -893
2008-07-01 5
2008-10-01 -2221
2009-01-01 682
2009-04-01 373
2009-07-01 2340
2009-10-01 5354
2010-01-01 6523
2010-04-01 5161
2010-07-01 2137
2010-10-01 -2880
2011-01-01 3132
2011-04-01 4439
2011-07-01 4662
2011-10-01 4736
2012-01-01 4445
2012-04-01 1866
2012-07-01 7751
2012-10-01 3952
2013-01-01 4211
2013-04-01 5009
2013-07-01 9653
2013-10-01 11596
2014-01-01 3294
2014-04-01 5792
2014-07-01 4026
2014-10-01 4237
2015-01-01 2593
2015-04-01 7322
2015-07-01 263
2015-10-01 1179
2016-01-01 16738
2016-04-01 1172
2016-07-01 1149
2016-10-01 4349
2017-01-01 2697
2017-04-01 -1300
2017-07-01 7369
2017-10-01 343
2018-01-01 2731
2018-04-01 3868