| Covers listed | |
| 1987: | #1 / August, Vol 3 No 9 September, November, Vol 3 No 11 December, |
| 1988: | January, June, |
| 1991: | August, |
| 1995: | December, |
| 1996: | November, |
| 1999: | October, December, |
| 2004: | March, |
| 2005: | April, September, |
| 2006: | January, February, December 2006/ January 2007, |
| 2007: | February, |
| 2009: | April, |
| 2011: | February, April, June/July, October, |
| 2012: | January/February, March, June, July/August, September, |
| 2013: | February, April, June, September, December, |
| 2014: | January, July/August, |
| 2015: | April, |
