| Wk | Date | Pos |
|---|---|---|
| 1 | 14 Jan 1980 | 9 |
| 2 | 21 Jan 1980 | 5 |
| 3 | 28 Jan 1980 | 3 |
| 4 | 4 Feb 1980 | 2 |
| 5 | 11 Feb 1980 | 2 |
| 6 | 18 Feb 1980 | 1 |
| 7 | 25 Feb 1980 | 1 |
| 8 | 3 Mar 1980 | 1 |
| 9 | 10 Mar 1980 | 1 |
| 10 | 17 Mar 1980 | 1 |
| 11 | 24 Mar 1980 | 1 |
| 12 | 31 Mar 1980 | 2 |
| 13 | 14 Apr 1980 | 6 |
| 14 | 28 Apr 1980 | 14 |
| 15 | 5 May 1980 | 22 |
| 16 | 12 May 1980 | 37 |