Bi-annual	US dollars
1987-06-30	2
1987-12-31	0
1988-06-30	0
1988-12-31	0
1989-06-30	29
1989-12-31	32
1990-06-30	14
1990-12-31	21
1991-06-30	65
1991-12-31	0
1992-06-30	30
1992-12-31	30
1993-06-30	41
1993-12-31	37
1994-06-30	39
1994-12-31	38
1995-06-30	21
1995-12-31	14
1996-06-30	75
1996-12-31	24
1997-06-30	12
1997-12-31	71
1998-06-30	28
1998-12-31	22
1999-06-30	33