| Covers listed | |
| 1972: | #1 / October, November, |
| 1973: | January, February, September, |
| 1974: | February, |
| 1975: | January, September, |
| 1976: | February, March, May, August, December, |
| 1977: | January, July, |
| 1978: | May, October, November, December, |
| 1979: | February, November, |
| 1980: | April, |
| 1981: | January, February, March, July, October, |
| 1982: | January, March, June, August, |
| 1983: | May, August, September, October, December, |
| 1984: | January, November, |
| 1985: | January, April, May, September, December, |
