| Covers listed |
|
| 1971: | #1 /July, #2 /August, #3 /September, #4 /October, #5 /November, #6 /December, |
| 1972: | #7 /January, #8 /February, #9 /March, #10 /April, #11 /May, #12 /June, #13 /July, #14 /August, #15 /September, #16 /October, #17 /November, #18 /December, |
| 1973: | #19 /January, #20 /February, #21 /March, #22 /April, #23 /May, #24 /June, #25 /July, #26 /August, #27 /September, #28 /October, #29 /November, #30 /December, |
| 1974: | #31 /January/February/March, #32 /April, #33 /May, #34 /June, #35 /July, #36 /August, #37 /September, #38 /October, #39 /November, #40 /December, |
| 1975: | #41 /January, #42 /February, #43 /March, #44 /April, #45 /May, #46 /June, #47 /July, #48 /August, #49 /September, #50 /October, #51 /November, #52 /December, |
| 1976: | #53 /January, #54 /February, #55 /March, #56 /April, #57 /May, #58 /June, #59 /July, #60 /August, #61 /September, #62 /October, #63 /November, #64 /December, |
| 1977: | #65 /January, #66 /February, #67 /March, #68 /April, #69 /May, #70 /June, #71 /July, #72 /August, #73 /September, #74 /October, #75 /November, #76 /December, |
| 1978: | #77 /January, #78 /February, #79 /March, #80 /April, #81 /May, #82 /June, #83 /July, #84 /August, #85 /September, #86 /October, #87 /November, #88 /December, |
| 1979: | #89 /January, #90 /February, #91 /March, #92 /April, #93 /May, #94 /June, #95 /July, #96 /August, #97 /September, #98 /October, #99 /November, #100 /December, |
| 1980: | #101 /January, #102 /February, #103 /March, #104 /April, #105 /May/June, #106 /July, #107 /August, #108 /September, #109 /October, #110 /November, #111 /December, |
| 1981: | #112 /January, #113 /February, #114 /March, #115 /April, #116 /May, #117 /June, #118 /July, #119 /August, #120 /September, #121 /October, #122 /November, #123 /December, |
| 1982: | #124 /January, |
