Bi-annual	US dollars
1987-06-30	2
1987-12-31	0
1988-06-30	0
1988-12-31	0
1989-06-30	12
1989-12-31	0
1990-06-30	0
1990-12-31	0
1991-06-30	2
1991-12-31	4
1992-06-30	6
1992-12-31	8
1993-06-30	15
1993-12-31	40
1994-06-30	42
1994-12-31	69
1995-06-30	49
1995-12-31	43
1996-06-30	51
1996-12-31	62
1997-06-30	47
1997-12-31	46
1998-06-30	48
1998-12-31	48
1999-06-30	52