Bi-annual	US dollars
1987-06-30	0
1987-12-31	-74
1988-06-30	-9
1988-12-31	-89
1989-06-30	0
1989-12-31	-11
1990-06-30	0
1990-12-31	-23
1991-06-30	-5
1991-12-31	-11
1992-06-30	-11
1992-12-31	-20
1993-06-30	-8
1993-12-31	0
1994-06-30	-8
1994-12-31	0
1995-06-30	0
1995-12-31	0
1996-06-30	0
1996-12-31	0
1997-06-30	0
1997-12-31	-41
1998-06-30	-7
1998-12-31	-40
1999-06-30	0