Season
- Season 22 1984-11-01
- Season 21 1983-05-19
- Season 20 1982-01-28
- Season 19 1981-01-15
- Season 18 1980-04-17
- Season 17 1979-02-22
- Season 16 1978-02-02
- Season 15 1977-01-20
- Season 14 1976-01-22
- Season 13 1975-02-13
- Season 12 1974-02-28
- Season 11 1973-02-15
- Season 10 1972-01-17
- Season 9 1971-01-04
- Season 8 1970-06-08
- Season 7 1969-01-27
- Season 6 1967-09-04
- Season 5 1965-03-10
- Season 4 1964-01-15
- Season 3 1963-01-07
- Season 2 1961-03-01
- Season 1 1960-03-30
