Quarterly Millions of US Dollars
1962-10-01 6
1968-04-01 5
1971-01-01 10
1972-01-01 15
1972-04-01 6
1973-10-01 16
1974-04-01 9
1974-10-01 16
1975-07-01 6
1975-10-01 14
1976-01-01 19
1976-07-01 15
1977-01-01 41
1977-04-01 15
1977-10-01 8
1978-01-01 21
1979-01-01 10
1981-01-01 36
1982-04-01 51
1982-10-01 -14
1983-01-01 36
1983-04-01 23
1983-10-01 22
1984-04-01 -11
1985-07-01 125
1985-10-01 -52
1986-01-01 -1
1986-04-01 48
1986-07-01 -6
1986-10-01 -21
1987-01-01 52
1987-04-01 -9
1987-07-01 -6
1987-10-01 -8
1988-04-01 0
1988-10-01 -10
1989-01-01 72
1989-04-01 91
1989-10-01 -8
1990-01-01 -34
1990-10-01 -8
1991-01-01 0
1991-04-01 0
1991-10-01 -8
1992-01-01 109
1992-04-01 -62
1992-07-01 74
1992-10-01 -18
1993-04-01 156
1993-07-01 205
1993-10-01 -37
1994-01-01 229
1994-04-01 -120
1994-07-01 78
1994-10-01 68
1995-01-01 176
1995-04-01 28
1995-07-01 -17
1995-10-01 -4
1996-01-01 109
1996-04-01 -11
1996-07-01 98
1996-10-01 -41
1997-01-01 11
1997-04-01 -64
1997-07-01 -27
1997-10-01 -9
1998-01-01 -48
1998-04-01 -20
1998-07-01 -69
1998-10-01 5
1999-01-01 0
1999-04-01 -5
1999-07-01 85
1999-10-01 -45
2000-01-01 24
2000-04-01 -1
2000-07-01 92
2000-10-01 33
2001-01-01 55
2001-04-01 10
2001-07-01 30
2001-10-01 241
2002-01-01 -175
2002-04-01 139
2002-07-01 268
2002-10-01 -64
2003-01-01 -56
2003-04-01 -44
2003-07-01 -19
2003-10-01 -49
2004-01-01 85
2004-04-01 -56
2004-07-01 -5
2004-10-01 -99
2005-01-01 -69
2005-04-01 -115
2005-07-01 -209
2005-10-01 -188
2006-04-01 -201
2006-07-01 -50
2006-10-01 1223
2007-01-01 -197
2007-04-01 -65
2008-04-01 -234
2008-07-01 503
2008-10-01 -441
2009-07-01 -214
2010-04-01 509
2011-04-01 2000
2011-10-01 -1347
2012-04-01 680
2014-01-01 -200
2014-07-01 994
2015-04-01 -195
2015-07-01 -800
2016-01-01 -21
2016-04-01 -1027
2017-10-01 497
2018-01-01 -393