| Covers listed | |
| 1974: | #1 / January, #3 / March, #4 / April, #5 / May, #6 / June, #7 / July, #12 / December, |
| 1975: | #1 / January, #2 / February, #3 / March, #4 / April, #5 / May, #6 / June, #7 / July, #8 / August, #9 / September, #10 / October, #11 / November, #12 / December, |
| 1981: | #12 , |
| 1982: | #2 / February, #8 / August, |
| 1986: | #4 / October/December, |
| 1988: | #1 , #2 , #3 , |
| 1989: | #1 , #3 , #4 , |
| 1990: | #1 , #2 , #3 , #4 , |
| 1991: | #1 , #2 , #3 , #4 , |
| 1992: | Special, #1 , #2 , #3 , #4 , |
| 1993: | Special, #1 , #2 , #3 , #4 , |
| 1994: | Special, #1 , #2 , #3 , #4 , |
| 1995: | #1 , #2 , #3 , |
