Bi-annual	US dollars
1987-06-30	119
1987-12-31	40
1988-06-30	31
1988-12-31	31
1989-06-30	11
1989-12-31	10
1990-06-30	7
1990-12-31	8
1991-06-30	6
1991-12-31	0
1992-06-30	6
1992-12-31	24
1993-06-30	108
1993-12-31	112
1994-06-30	133
1994-12-31	108
1995-06-30	95
1995-12-31	98
1996-06-30	109
1996-12-31	70
1997-06-30	50
1997-12-31	76
1998-06-30	85
1998-12-31	73
1999-06-30	140