| Covers listed | |
| 1979: | #1 , #2 , |
| 1980: | #3 , #4 , |
| 1981: | #5 , #6 , |
| 1982: | #7 , #8 , #9 , |
| 1983: | #10 , #11 , |
| 1984: | #12 , #13 , |
| 1985: | #14 , #15 , |
| 1986: | #16 , #17 , |
| 1987: | #18 , #19 , |
| 1988: | #20 , #21 , |
| 1989: | #22 , #23 , |
| 1990: | #24 , #25 , |
| 1991: | #26 , #27 /October, |
