Dec 31, 1984

Nov 13, 1986

Dec 05, 1986

Sep 12, 1987

Dec 01, 1987

Aug 01, 1988

Sep 30, 1988

Dec 31, 1988

Dec 31, 1988

Dec 31, 1988

May 01, 1989

Dec 31, 1989

May 31, 1990

Aug 01, 1990

Aug 01, 1991

Nov 01, 1991

Dec 01, 1991

Dec 02, 1991

Dec 31, 1991

Dec 31, 1991

Dec 31, 1991

Dec 31, 1991

Feb 01, 1992

Feb 19, 1992

Jun 01, 1992

Jun 01, 1992

Jun 26, 1992

Jun 29, 1992

Aug 01, 1992

Aug 01, 1992

Aug 02, 1992

Sep 01, 1992

Sep 01, 1992

Oct 01, 1992

Oct 12, 1992