Dec 31, 1981

Dec 31, 1982

Dec 31, 1982

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Dec 31, 1984

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Dec 25, 1985

Apr 29, 1988

Jul 15, 1988

Nov 01, 1988

Mar 30, 1990

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Sep 08, 1990

Dec 13, 1990

Apr 19, 1991

Nov 01, 1991

Sep 25, 1992

Oct 16, 1992

Dec 31, 1992

Dec 17, 1993

Feb 18, 1994

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Sep 30, 1994

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Dec 22, 1994

Jan 20, 1995

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Apr 28, 1995

Jul 21, 1995

Sep 29, 1995

Mar 15, 1996

Apr 12, 1996

May 31, 1996

Jun 14, 1996

Jun 17, 1996