Bi-annual	US dollars
1987-06-30	65
1987-12-31	13
1988-06-30	5
1988-12-31	5
1989-06-30	0
1989-12-31	0
1990-06-30	3
1990-12-31	2
1991-06-30	24
1991-12-31	0
1992-06-30	17
1992-12-31	0
1993-06-30	0
1993-12-31	0
1994-06-30	46
1994-12-31	47
1995-06-30	41
1995-12-31	62
1996-06-30	47
1996-12-31	0
1997-06-30	0
1997-12-31	26
1998-06-30	55
1998-12-31	22
1999-06-30	3