Bi-annual	US dollars
1987-06-30	5
1987-12-31	6
1988-06-30	2
1988-12-31	5
1989-06-30	9
1989-12-31	8
1990-06-30	14
1990-12-31	14
1991-06-30	44
1991-12-31	50
1992-06-30	107
1992-12-31	80
1993-06-30	68
1993-12-31	56
1994-06-30	14
1994-12-31	13
1995-06-30	11
1995-12-31	8
1996-06-30	8
1996-12-31	7
1997-06-30	5
1997-12-31	7
1998-06-30	0
1998-12-31	5
1999-06-30	5