| Covers listed | |
| 1978: | #14 /11 July, |
| 2009: | July, September, |
| 2010: | March, May, October, December, |
| 2011: | March, April, October, |
| 2012: | March, May, July, 1 September, 15 September, October, 10 October, 1 November, 15 December, |
| 2013: | 1 January, 15 January, 1 February, 15 February, 1 April, 15 April, 1 May, 1 July, 15 July, 1 September, 11 October, 15 October, |
| 2014: | 6 January, 4 February, 11 December, |
