Quarterly Millions of US Dollars
1972-04-01 32
1972-10-01 20
1973-10-01 30
1975-04-01 12
1975-10-01 19
1976-04-01 25
1976-07-01 60
1976-10-01 71
1977-01-01 62
1977-07-01 30
1977-10-01 62
1978-01-01 25
1979-01-01 25
1981-01-01 75
1981-07-01 -30
1981-10-01 -25
1982-04-01 -4
1982-07-01 58
1982-10-01 -20
1983-01-01 -67
1983-04-01 -25
1983-10-01 58
1984-07-01 -15
1985-01-01 4
1985-04-01 -25
1985-10-01 42
1986-01-01 -86
1986-04-01 36
1986-10-01 155
1987-01-01 50
1987-04-01 102
1987-10-01 73
1988-04-01 80
1988-07-01 153
1988-10-01 107
1989-01-01 69
1989-04-01 184
1989-07-01 464
1989-10-01 -183
1990-01-01 137
1990-04-01 -91
1990-10-01 -65
1991-01-01 -30
1991-04-01 -67
1991-07-01 -55
1991-10-01 -66
1992-01-01 -68
1992-04-01 -88
1992-10-01 -75
1993-01-01 -103
1993-04-01 -40
1993-07-01 150
1993-10-01 -60
1994-01-01 88
1994-04-01 -23
1994-07-01 -237
1994-10-01 100
1995-01-01 -25
1995-04-01 0
1995-07-01 40
1995-10-01 -120
1996-01-01 9
1996-04-01 502
1996-07-01 -213
1996-10-01 212
1997-01-01 156
1997-04-01 208
1997-07-01 960
1997-10-01 94
1998-01-01 33
1998-04-01 1506
1998-07-01 164
1998-10-01 -39
1999-01-01 913
1999-04-01 297
1999-07-01 703
1999-10-01 312
2000-01-01 -119
2000-04-01 1623
2000-07-01 393
2000-10-01 31
2001-01-01 -149
2001-04-01 985
2001-07-01 2051
2001-10-01 3917
2002-01-01 359
2002-04-01 8
2002-07-01 42
2002-10-01 214
2003-01-01 303
2003-04-01 994
2003-07-01 1230
2003-10-01 3349
2004-01-01 366
2004-04-01 2066
2004-07-01 2990
2004-10-01 3652
2005-01-01 3348
2005-04-01 -712
2005-07-01 2775
2005-10-01 1603
2006-01-01 173
2006-04-01 3925
2006-07-01 1654
2006-10-01 1002
2007-01-01 2278
2007-04-01 5354
2007-07-01 -429
2007-10-01 -315
2008-01-01 -201
2008-04-01 -633
2008-07-01 1311
2008-10-01 -2750
2009-01-01 -2476
2009-04-01 -2525
2009-07-01 1089
2009-10-01 1721
2010-01-01 703
2010-04-01 -141
2010-07-01 3300
2010-10-01 157
2011-01-01 3755
2011-04-01 3043
2011-07-01 1287
2011-10-01 1263
2012-01-01 9415
2012-04-01 -1563
2012-07-01 6870
2012-10-01 4185
2013-01-01 5003
2013-04-01 6400
2013-07-01 8348
2013-10-01 2356
2014-01-01 3026
2014-04-01 4386
2014-07-01 8879
2014-10-01 -5053
2015-01-01 -2255
2015-04-01 5933
2015-07-01 -2425
2015-10-01 -2295
2016-01-01 2250
2016-04-01 3722
2016-07-01 4669
2016-10-01 -1764
2017-01-01 6310
2017-04-01 9298
2017-07-01 7414
2017-10-01 1926
2018-01-01 10874
2018-04-01 14734