| Covers listed | |
| 1954: | #1 , |
| 1955: | #2 , |
| 1957: | #3 , |
| 1959: | #4 , |
| 1960: | #5 , #6 , |
| 1961: | #7 , #8 , |
| 1962: | #9 , #10 , |
| 1963: | #11 , #12 , |
| 1964: | #13 , |
| 1965: | #14 , |
| 1966: | #15 , |
| 1967: | #16 , |
| 1968: | #17 , |
| 1969: | #18 , |
| 1970: | #19 , |
| 1971: | #20 , |
| 1972: | #21 , |
| 1973: | #22 , |
| 1974: | #23 , |
| 1975: | #24 , |
| 1976: | #25 , |
| 1977: | #26 , #27 , |
| 1978: | #28 , |
| 1979: | #29 , |
| 1981: | #30 , |
| 1982: | #31 , |
| 1983: | #32 , #33 , |
| 1984: | #34 , #35 , |
| 1985: | #36 , #37 , |
| 1986: | #38 , |
| 1989: | #39 , |
| 1991: | #40 , |
| 1992: | #41 , #42 , |
| 1994: | #44 , |
