Bi-annual	US dollars
1987-06-30	0
1987-12-31	0
1988-06-30	0
1988-12-31	0
1989-06-30	14
1989-12-31	10
1990-06-30	10
1990-12-31	0
1991-06-30	0
1991-12-31	4
1992-06-30	2
1992-12-31	3
1993-06-30	3
1993-12-31	13
1994-06-30	22
1994-12-31	16
1995-06-30	19
1995-12-31	2
1996-06-30	2
1996-12-31	33
1997-06-30	22
1997-12-31	10
1998-06-30	30
1998-12-31	22
1999-06-30	2