| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| World Championship | 1981 | 01 Jan | 01 Jan | 6 | 86 |
| World Championship | 1980 | 01 Jan | 01 Jan | 85 | |
| World Championship | 1979 | 01 Jan | 01 Jan | ||
| World Championship | 1978 | 18 Aug | 27 Aug | 5 | 86 |
| World Championship | 1977 | 01 Jan | 01 Jan | 6 | 87 |
| World Championship | 1976 | 11 Nov | 19 Nov | 65 | |
| World Championship | 1975 | 04 Oct | 12 Oct | 6 | 69 |
| World Championship | 1974 | 10 Aug | 24 Aug | 6 | 82 |
| World Championship | 1973 | 14 Nov | 28 Nov | 6 | 90 |
| World Championship | 1972 | 12 Aug | 19 Aug | 75 | |
| World Championship | 1971 | 20 Aug | 24 Aug | 6 | |
| World Championship | 1970 | 23 Aug | 28 Aug | 6 | 80 |
| World Championship | 1969 | 12 Jan | 18 Jan | 7 | |
| World Championship | 1968 | 25 Aug | 01 Sep | 6 | 75 |
| World Championship | 1967 | 01 Jan | 01 Jan | ||
| World Championship | 1966 | 21 Mar | 27 Mar | 6 | 65 |
| World Championship | 1965 | 01 Jan | 01 Jan | ||
| World Championship | 1964 | 01 Jan | 01 Jan | ||
| World Championship | 1963 | 01 Jan | 01 Jan | ||
| World Championship | 1962 | 01 Jan | 01 Jan |