Oct 31, 1984

Mar 01, 1985

Jun 07, 1985

Dec 31, 1985

Dec 31, 1986

Aug 01, 1987

Sep 01, 1987

Nov 30, 1987

Dec 31, 1987

Dec 31, 1987

Sep 01, 1988

Dec 31, 1988

Dec 31, 1988

Dec 31, 1988

Dec 31, 1989

Dec 31, 1989