| Covers listed | |
| 1981: | #4 / , #8 / , #12 / , |
| 1982: | #16 / , #19 / , #20 / , |
| 1983: | #22 / , #25 / , #27 / , |
| 1984: | #32 / , #34 / , #37 / , #39 / , |
| 1986: | #53 / , #56 / , #58 / , |
| 1987: | #64 / , #67 / , #73 / , |
| 1988: | #77 / , #78 / , #79 / , #82 / , |
| 1991: | #91 / , |
| 1992: | #108 / , #112 / , #113 / , |
| 1993: | #116 / , #124 / , |
| 1994: | #126 / , #134 / , |
| 1995: | #139 / , |
| 1998: | #163 / , |
| 2003: | #190 / , |
