Season
- Season 19 1981-08-19
- Season 18 1981-01-03
- Season 17 1980-01-05
- Season 16 1979-02-17
- Season 15 1977-09-03
- Season 14 1976-09-07
- Season 13 1975-08-30
- Season 12 1974-10-05
- Season 11 1973-03-10
- Season 10 1972-01-01
- Season 9 1971-03-05
- Season 8 1970-04-03
- Season 7 1969-01-07
- Season 6 1967-12-04
- Season 5 1967-04-03
- Season 4 1966-08-10
- Season 3 1965-10-02
- Season 2 1963-10-06
- Season 1 1963-07-13
- Season 0 1964-12-04
