Bi-annual	US dollars
1987-06-30	10
1987-12-31	9
1988-06-30	10
1988-12-31	14
1989-06-30	2
1989-12-31	2
1990-06-30	2
1990-12-31	2
1991-06-30	6
1991-12-31	6
1992-06-30	8
1992-12-31	3
1993-06-30	0
1993-12-31	0
1994-06-30	65
1994-12-31	113
1995-06-30	67
1995-12-31	200
1996-06-30	154
1996-12-31	146
1997-06-30	15
1997-12-31	0
1998-06-30	2
1998-12-31	18
1999-06-30	3