Quarter	US dollars
1986-12-31	-310
1987-03-31	-237
1987-06-30	123
1987-09-30	-253
1987-12-31	-262
1988-03-31	-599
1988-06-30	867
1988-09-30	359
1988-12-31	82
1989-03-31	290
1989-06-30	-20
1989-09-30	-571
1989-12-31	250
1990-03-31	167
1990-06-30	-111
1990-09-30	-74
1990-12-31	-174
1991-03-31	-1431
1991-06-30	-169
1991-09-30	-903
1991-12-31	1422
1992-03-31	991
1992-06-30	1794
1992-09-30	-308
1992-12-31	93
1993-03-31	-109
1993-06-30	-14
1993-09-30	-116
1993-12-31	851
1994-03-31	28
1994-06-30	250
1994-09-30	256
1994-12-31	213
1995-03-31	216
1995-06-30	66
1995-09-30	522
1995-12-31	-69
1996-03-31	0
1996-06-30	367
1996-09-30	197
1996-12-31	-940
1997-03-31	1463
1997-06-30	1443
1997-09-30	595
1997-12-31	1109
1998-03-31	143
1998-06-30	3118
1998-09-30	146
1998-12-31	100