| Covers listed | |
| 1988: | 1 February, 29 February, |
| 1989: | 16 October, |
| 1990: | January, 2 April, 17 September, October, 3 December, |
| 1991: | 18 February, 25 March, 15 April, 15 July, 5 August, September, 2 September, 9 September, 7 October, 16 December, 30 December, |
| 1992: | 27 April, 20 July, |
