Date
- 1980 to 1993 [remove] 169
- 1980 to 1980 12
- 1981 to 1981 12
- 1982 to 1982 12
- 1983 to 1983 12
- 1984 to 1984 12
- 1985 to 1985 12
- 1986 to 1986 12
- 1987 to 1987 12
- 1988 to 1988 12
- 1989 to 1989 12
- 1990 to 1990 11
- 1991 to 1991 11
- 1992 to 1992 12
- 1993 to 1993 15