Quarter	US dollars
1986-12-31	-263
1987-03-31	423
1987-06-30	194
1987-09-30	512
1987-12-31	272
1988-03-31	201
1988-06-30	-9
1988-09-30	183
1988-12-31	-25
1989-03-31	240
1989-06-30	540
1989-09-30	2045
1989-12-31	-735
1990-03-31	165
1990-06-30	737
1990-09-30	-100
1990-12-31	518
1991-03-31	-931
1991-06-30	296
1991-09-30	25
1991-12-31	779
1992-03-31	-392
1992-06-30	538
1992-09-30	-141
1992-12-31	42
1993-03-31	361
1993-06-30	-798
1993-09-30	219
1993-12-31	174
1994-03-31	-27
1994-06-30	205
1994-09-30	598
1994-12-31	-240
1995-03-31	666
1995-06-30	-282
1995-09-30	168
1995-12-31	-271
1996-03-31	696
1996-06-30	653
1996-09-30	-313
1996-12-31	408
1997-03-31	1820
1997-06-30	-275
1997-09-30	-250
1997-12-31	372
1998-03-31	-174
1998-06-30	1072
1998-09-30	-1864
1998-12-31	-400