| Covers listed | |
| 1977: | #1 / November, December, |
| 1978: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1979: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1980: | January, February, March, April, June, July, September, October, November, |
| 1981: | January, February, March, April, June, |
| 1995: | January, June, August, |
| 1996: | May, |
| 1997: | January, |
