| Covers listed |
|
| 1973: | #11 , #20 , #21 , #22 , #23 , |
| 1974: | #1 , #2 , #5 , #6 , #7 , #8 , #9 , #11 , #12 , #13 , #14 , #15 , #16 , #18 , #19 , #20 , #21 , #22 , #23 , |
| 1975: | #1 , #2 , #3 , #4 , #5 , #6 , #7 , #8 , #9 , #11 , #12 , #13 , #14 , #16 , #17 , #20 , #23 , #24 , |
| 1976: | #1 , #6 , #7 , #8 , #9 , #10 , #11 , #13 , #14 , #15 , #16 , #17 , #18 , #20 , #21 , |
| 1977: | #1 , #2 , #3 , #4 , #6 , #9 , #11 , #12 , #14 , #15 , #16 , #18 , #19 , #20 , #22 , #23 , #24 , |
| 1980: | #6 , |
| 1982: | #1 , |
| 1983: | #1 / , #5 , |
| 1984: | #1 , |
| 1986: | #1 / , |
| 1987: | #1 / , |
| 1988: | #1 / , |
| 1989: | #1 / , |
| 1992: | #1 , #2 , #3 , #8 , #10 , #11 , |
| 1994: | #5 , |
| 1996: | January, |
| 2001: | February, April, |
