Bi-annual	US dollars
1987-06-30	0
1987-12-31	0
1988-06-30	0
1988-12-31	0
1989-06-30	2
1989-12-31	0
1990-06-30	0
1990-12-31	0
1991-06-30	2
1991-12-31	4
1992-06-30	0
1992-12-31	5
1993-06-30	8
1993-12-31	19
1994-06-30	34
1994-12-31	44
1995-06-30	115
1995-12-31	107
1996-06-30	179
1996-12-31	551
1997-06-30	140
1997-12-31	109
1998-06-30	182
1998-12-31	180
1999-06-30	143