| Covers listed | |
| 1981: | December, |
| 1982: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1983: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1984: | January, February, March, April, June, July, August, September, October, November, December, |
| 1985: | January, February, March, |
