| Covers listed | |
| 1977: | #1 /January, #1 Special, #2 /February, #3 /March, #4 /April, #5 , #6 , #7 , #8 , #9 , #10 , |
| 1978: | #11 /June, #12 /July, #13 /August, #14 /September, #15 /October, #16 /November, #17 /December, |
| 1979: | #18 /January, #19 /February, #20 /March, |
| 1980: | #1 /March, #2 /April, #3 /May, #4 /June, #5 , #6 /September, #7 /October, |
| 1981: | #1 Album, #2 Special, |
