January 01, 1981
June 22, 1979
September 01, 1984
June 01, 1983
October 01, 1983
October 18, 1984
October 01, 1988
November 01, 1990
December 01, 1989
February 06, 1992
November 25, 1993
April 21, 1978
December 05, 1980
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October 29, 1982
December 01, 1984
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June 05, 1991