Bi-annual	US dollars
1987-06-30	42
1987-12-31	30
1988-06-30	27
1988-12-31	5
1989-06-30	5
1989-12-31	5
1990-06-30	5
1990-12-31	0
1991-06-30	0
1991-12-31	2
1992-06-30	4
1992-12-31	80
1993-06-30	81
1993-12-31	72
1994-06-30	74
1994-12-31	64
1995-06-30	64
1995-12-31	47
1996-06-30	40
1996-12-31	43
1997-06-30	47
1997-12-31	8
1998-06-30	5
1998-12-31	8
1999-06-30	57