Feb 25, 2003

Dec 31, 1997

Dec 31, 1996

Mar 31, 1996

Dec 31, 1995

Dec 31, 1992

Dec 31, 1991

Dec 31, 1991

Dec 31, 1988

Mar 02, 1988

Dec 31, 1987

Dec 31, 1987

Dec 31, 1986

Jun 30, 1986

Mar 01, 1986

Dec 01, 1983