Bi-annual	US dollars
1987-06-30	8
1987-12-31	9
1988-06-30	0
1988-12-31	0
1989-06-30	3
1989-12-31	42
1990-06-30	59
1990-12-31	58
1991-06-30	57
1991-12-31	54
1992-06-30	55
1992-12-31	58
1993-06-30	5
1993-12-31	4
1994-06-30	2
1994-12-31	3
1995-06-30	0
1995-12-31	5
1996-06-30	3
1996-12-31	21
1997-06-30	7
1997-12-31	10
1998-06-30	8
1998-12-31	28
1999-06-30	0