Bi-annual	US dollars
1987-06-30	0
1987-12-31	0
1988-06-30	0
1988-12-31	0
1989-06-30	9
1989-12-31	8
1990-06-30	5
1990-12-31	8
1991-06-30	3
1991-12-31	17
1992-06-30	27
1992-12-31	12
1993-06-30	5
1993-12-31	7
1994-06-30	17
1994-12-31	25
1995-06-30	25
1995-12-31	3
1996-06-30	19
1996-12-31	22
1997-06-30	2
1997-12-31	79
1998-06-30	2
1998-12-31	18
1999-06-30	3