| Covers listed | |
| 1986: | September, |
| 1987: | January/February, |
| 1988: | March, |
| 1989: | January, May, |
| 1990: | August, September, |
| 1991: | July, |
| 1992: | February, June/July, September, December 1992/ January 1993, |
| 1993: | February, |
| 1994: | February, April, July, September, October, |
| 1995: | August, October, |
| 1996: | January, May, July, September, October, |
| 1997: | February, July, September, November, |
| 1998: | January, May, July, September, November, |
| 1999: | February, March, April, May, July, September, |
| 2000: | April, |
| 2001: | May, September, November, |
| 2002: | February, |
| 2003: | January, February, June, |
| 2004: | January, February, May, June, August, September, |
