| Covers listed |
|
| 1973: | #1 /February, #2 /April, #3 /June, #4 /October, #5 /December, |
| 1974: | #6 /February, #7 /April, #8 /June, #9 /August, #10 /November, |
| 1975: | #11 /January, #12 /March, #13 /May, #14 /August, #15 /October, #16 /December, |
| 1976: | #17 /February, #18 /April, #19 /June, #20 /July, #21 /October, #22 /December, |
| 1977: | #23 /January, #24 /February, #25 /March, #26 /April, #27 /May, #28 /June, #29 /July, #30 /September, #31 /October, #32 /November, #33 /December, |
| 1978: | #34 /January, #35 /February, #36 /March, #37 /April, #38 /May, #39 /June, #40 /September, #41 /November, #42 /December, |
| 1979: | #43 /January, #44 /February, #45 /March, #46 /April, #47 /May, #48 /June, #49 /July, #50 /September, #51 /October, #52 /November, #53 /December, |
| 1980: | #54 /February, #55 /March, #56 /April, #57 /May, #58 /June, #59 /July, #60 /September, #61 /October, #62 /November, #63 /December, |
| 1981: | #64 /January, #65 /February, #66 /March, #67 /May, #68 /June, #69 /July, #70 /September, #71 /October, #72 /November, #73 /December, |
| 1982: | #74 /January, #75 /February, #76 /March, #77 /April, #78 /May, #79 /June, #80 /July, #81 /September, #82 /October, #83 /November, #84 /December, |
| 1983: | #85 /January, #86 /February, #87 /March, #88 /April, #89 /May, #90 /June, #91 /July, #92 /September, #93 /October, #94 /November, #95 /December, |
| 1984: | #96 /January, #97 /February, #98 /March, #99 /April, #100 /May, #101 /June, #102 /July, #103 /September, #104 /November, #105 /December, |
| 1985: | #106 /January, #107 /February, #108 /March, #109 /April, #110 /May, #111 /June, #112 /July, #113 /September, #114 /December, |
| 1986: | #115 /January, #116 /February, #117 /March, #118 /April, #119 /May, #120 /June, #121 /July, #122 /September, #123 /October, #124 /November, #125 /December, |
| 1987: | #126 /January, |
