January 01, 1981
June 23, 1981
January 01, 1998
July 01, 1981
January 01, 1982
January 01, 1982
January 01, 1997
January 01, 1983
January 01, 1981
January 01, 1982
January 01, 1983
January 01, 1980
January 01, 1982
January 01, 1983
February 12, 1982
January 01, 1980
January 10, 2001
January 01, 1981
April 01, 1982
July 06, 1981
January 01, 1978
April 01, 1982
July 01, 1980
December 16, 1981
November 01, 1981
January 01, 1978