Bi-annual	US dollars
1987-06-30	206
1987-12-31	277
1988-06-30	278
1988-12-31	286
1989-06-30	250
1989-12-31	271
1990-06-30	270
1990-12-31	297
1991-06-30	255
1991-12-31	258
1992-06-30	245
1992-12-31	208
1993-06-30	182
1993-12-31	38
1994-06-30	31
1994-12-31	22
1995-06-30	13
1995-12-31	11
1996-06-30	98
1996-12-31	91
1997-06-30	100
1997-12-31	94
1998-06-30	83
1998-12-31	98
1999-06-30	101