Season
- Season 18 2017-09-01
- Season 17 2016-02-26
- Season 16 2014-04-29
- Season 15 1974-04-16
- Season 14 1973-01-04
- Season 13 1972-01-14
- Season 12 1971-01-08
- Season 11 1970-06-08
- Season 10 1970-03-11
- Season 9 1969-12-18
- Season 8 1969-04-14
- Season 7 1968-04-26
- Season 6 1967-05-19
- Season 5 1966-05-17
- Season 4 1965-05-28
- Season 3 1963-09-28
- Season 2 1962-03-01
- Season 1 1961-12-15
