Bi-annual	US dollars
1987-06-30	2
1987-12-31	0
1988-06-30	31
1988-12-31	38
1989-06-30	31
1989-12-31	53
1990-06-30	31
1990-12-31	27
1991-06-30	34
1991-12-31	28
1992-06-30	27
1992-12-31	0
1993-06-30	0
1993-12-31	1
1994-06-30	2
1994-12-31	13
1995-06-30	16
1995-12-31	2
1996-06-30	3
1996-12-31	0
1997-06-30	3
1997-12-31	143
1998-06-30	62
1998-12-31	7
1999-06-30	13