| Covers listed |
|
| 1981: | #1 , #2 / , #3 / , #4 / , #5-6 / December, |
| 1982: | #1 , #2/3 , #4 / May, #5 , #6 , #7/8 , #9 , #10 / , #11-12 / , |
| 1983: | #1 / , #2 / , #3 / , #4 / , #5-6 / , #7-8 / , #9-10 / , #11 / , #12 / , |
| 1984: | #1 / , #2 / , #3 / , #4 / , #5-6 / , #7 / , #8/9 , #10 / , #11 / , #12 / , |
| 1985: | #2 / , #3 / , #4 / , #5 / , #6-7 / , #8 / , #9 / , #10 / , #11 / , #12 / , |
| 1986: | #2 / , #3 / , #4 / , #5 / , #6-7 / , #8 / , #9 / , #10 , #11 / , #12 / , |
| 1987: | #1-2 / , #3 / , #4 / , #5 / , #6-7 / , #8-9 / , #10 /November, #11-12 / December, |
| 1988: | #3 / , #4 / , #5 / , |
| 1989: | #2 / , #3 / , #4 / , #5 / , #7 / , |
| 1990: | #1 / , #3 / , #4 , |
| 1991: | #2 / , #3 / , |
| 1992: | #1 / , |
| 1996: | #5 / , |