Sep 30, 1983

Sep 01, 1982

Aug 01, 1982

Dec 31, 1981

Dec 31, 1981

Sep 01, 1981

Sep 01, 1981

Aug 01, 1981

Dec 31, 1980

Dec 31, 1980

Jun 01, 1980

Dec 31, 1979

Dec 31, 1979

Dec 31, 1979

Dec 31, 1979

Dec 31, 1978

Dec 31, 1978

Dec 31, 1978

Dec 31, 1978

Dec 31, 1978

Dec 31, 1978

Dec 31, 1978

Jul 01, 1978

Jun 01, 1978

Jun 01, 1978

Apr 01, 1978

Apr 01, 1978

Apr 01, 1978

Dec 31, 1977

Dec 31, 1977

Oct 01, 1977

May 01, 1977

Nov 01, 1976

Oct 01, 1976

Jun 05, 1976

Mar 31, 1976