| Covers listed | |
| 1981: | #11 / March, #18 / October, |
| 1983: | #35 / March, |
| 1985: | May, |
| 1986: | January, |
| 1987: | February, July, August, #92 / December, |
| 1988: | January, March, July/August, |
| 1989: | August, November, |
| 1990: | August, December, |
| 1991: | #31 / April, June, July, August, #39 / December, |
| 1992: | March, September, |
| 1993: | January, June, #58 / July, December, |
| 1994: | June, October, |
| 1995: | January, #79 / April, December, |
| 1996: | February, #98 / November, |
| 1997: | July, December, |
| 1998: | October, |
| 1999: | December, |
| 2000: | August, November, |
| 2001: | August, |
| 2002: | #60 / January, November, |
| 2004: | #87 / April, |
