| Covers listed | |
| 1987: | April, August, December, |
| 1988: | April, August, December, |
| 1989: | April, August, December, |
| 1990: | April, August, December, |
| 1991: | April, August, |
| 1992: | January, May, September, |
| 1993: | May, September, |
| 1994: | January, September, |
| 1995: | January, May, |
| 1996: | #6 /June, |
