| Covers listed | |
| 1962: | 19 January, 7 September, 16 November, |
| 1968: | 24 March, |
| 1972: | July, |
| 1979: | 23 November, December, |
| 1983: | 25 February, |
| 1984: | 27 July, |
| 1985: | 26 April, 25 September, |
| 1986: | 19 September, |
| 1987: | 19 March, 26 June, 10 July, |
| 1988: | 12 August, 4 November, |
| 1990: | 24 August, |
| 1993: | 5 February, |
| 1998: | 26 June, |
| 1999: | 4 September, |
| 2000: | 15 September, |
