| Wk | Date | Pos |
|---|---|---|
| 1 | 7 May 1978 | 12 |
| 2 | 14 May 1978 | 7 |
| 3 | 21 May 1978 | 4 |
| 4 | 28 May 1978 | 4 |
| 5 | 4 Jun 1978 | 2 |
| 6 | 11 Jun 1978 | 1 |
| 7 | 18 Jun 1978 | 1 |
| 8 | 25 Jun 1978 | 1 |
| 9 | 2 Jul 1978 | 1 |
| 10 | 9 Jul 1978 | 2 |
| 11 | 16 Jul 1978 | 6 |
| 12 | 23 Jul 1978 | 9 |
| 13 | 30 Jul 1978 | 13 |
| 14 | 6 Aug 1978 | 19 |
| 15 | 15 Aug 1978 | 24 |