Season
- Season 26 1987-09-27
- Season 25 1986-10-12
- Season 24 1985-09-22
- Season 23 1984-09-23
- Season 22 1983-10-09
- Season 21 1982-09-26
- Season 20 1981-09-13
- Season 19 1980-10-12
- Season 18 1979-09-23
- Season 17 1978-09-17
- Season 16 1977-09-18
- Season 15 1976-09-12
- Season 14 1975-09-14
- Season 13 1974-09-15
- Season 12 1973-09-16
- Season 11 1972-09-17
- Season 10 1971-09-12
- Season 9 1970-09-13
- Season 8 1969-09-14
- Season 7 1969-01-05
- Season 6 1968-01-07
- Season 5 1966-11-13
- Season 4 1965-10-17
- Season 3 1964-10-18
- Season 2 1963-10-20
- Season 1 1963-01-04
