Bi-annual	US dollars
1987-06-30	2
1987-12-31	2
1988-06-30	2
1988-12-31	20
1989-06-30	2
1989-12-31	19
1990-06-30	45
1990-12-31	41
1991-06-30	88
1991-12-31	4
1992-06-30	8
1992-12-31	9
1993-06-30	12
1993-12-31	10
1994-06-30	12
1994-12-31	9
1995-06-30	13
1995-12-31	11
1996-06-30	9
1996-12-31	86
1997-06-30	87
1997-12-31	82
1998-06-30	17
1998-12-31	27
1999-06-30	30