March 86 - July 86
August 86
October 1986 - December 1986
December 86 - April 87
April 87 - June 87
April 87 - July 87
August 87
September 87
December 87
Januray 88
October - December 1988
December 1988 - January 1989
January 1989 - March 1989
April 1989 - July 1989
August 1989 - October 1989
January 1991 - April 1991
April 91 - July 91
August 1991
September 1991 - December 1991
November 1991 - December 1991
December 1991 - November 1992
November 1992 - September 1993
June 1993 - September 1993
October 1993
January 1994 - May 1995
June 95 - April 97
May 97 - July 99
