Bi-annual	US dollars
1987-06-30	0
1987-12-31	0
1988-06-30	10
1988-12-31	9
1989-06-30	11
1989-12-31	11
1990-06-30	10
1990-12-31	12
1991-06-30	6
1991-12-31	7
1992-06-30	8
1992-12-31	9
1993-06-30	11
1993-12-31	10
1994-06-30	11
1994-12-31	9
1995-06-30	13
1995-12-31	9
1996-06-30	5
1996-12-31	43
1997-06-30	0
1997-12-31	0
1998-06-30	0
1998-12-31	2
1999-06-30	0