| 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 |
| 1978 | 1978 Shadow DN9 |
| 1977 | 1977 Shadow DN8 |
| 1974 | 1974 Shadow DN4 |
| 1972 | 1972 Shadow DN2 |
| 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 |
| 1978 | 1978 Shadow DN9 |
| 1977 | 1977 Shadow DN8 |
| 1974 | 1974 Shadow DN4 |
| 1972 | 1972 Shadow DN2 |