Season
- Season 20 1974-09-09
- Season 19 1973-09-10
- Season 18 1972-09-11
- Season 17 1971-09-13
- Season 16 1970-09-14
- Season 15 1969-09-22
- Season 14 1968-09-23
- Season 13 1967-09-11
- Season 12 1966-09-17
- Season 11 1965-09-18
- Season 10 1964-09-26
- Season 9 1963-09-28
- Season 8 1962-09-15
- Season 7 1961-09-30
- Season 6 1960-09-03
- Season 5 1959-09-05
- Season 4 1958-09-13
- Season 3 1957-09-14
- Season 2 1956-09-08
- Season 1 1955-09-10
- Season 0 1987-09-26
