Bi-annual	US dollars
1987-06-30	8
1987-12-31	0
1988-06-30	8
1988-12-31	0
1989-06-30	0
1989-12-31	12
1990-06-30	26
1990-12-31	15
1991-06-30	0
1991-12-31	0
1992-06-30	0
1992-12-31	0
1993-06-30	0
1993-12-31	19
1994-06-30	25
1994-12-31	54
1995-06-30	23
1995-12-31	20
1996-06-30	0
1996-12-31	56
1997-06-30	125
1997-12-31	2
1998-06-30	0
1998-12-31	0
1999-06-30	16