January 1980
February 1980
March 1980
April 1980
May 1980
June 1980
July 1980
August 1980
September 1980
October 1980
November 1980
December 1980
January 1981
February 1981
March 1981
April 1981
May 1981
June 1981
July 1981
August 1981
September 1981
October 1981
November 1981
December 1981
|
|
January 1982
February 1982
March 1982
April 1982
May 1982
June 1982
July-Aug 1982
-
September 1982
-
Oct-Nov 1982
December 1982
? January 1983
February 1983
March 1983
? April 1983
May 1983
June 1983
? July 1983
? August 1983
September 1983
October 1983
? November 1983
? December 1983
|
|
-
-
March 1984
April 1984
May 1984
June 1984
July 1984
August 1984
September 1984
October 1984
November 1984
December 1984
January 1985
February 1985
March 1985
April 1985
May 1985
June 1985
July 1985
August 1985
September 1985
October 1985
November 1985
December 1985
|
|
January 1986
February 1986
March 1986
April 1986
May 1986
June 1986
July 1986
August 1986
September 1986
October 1986
November 1986
December 1986
January 1987
February 1987
March 1987
April 1987
May 1987
June 1987
July 1987
August 1987
September 1987
October 1987
-
Nov/Dec 1987
|
|
January 1988
February 1988
March 1988
April 1988
May 1988
June 1988
July 1988
August 1988
-
Sep-Oct 1988
November 1988
? December 1988
January 1989
February 1989
March 1989
April 1989
May 1989
June 1989
July 1989
August 1989
September 1989
October 1989
November 1989
December 1989
|
