| Covers listed |
|
| 1949: | #3328 /1 July, #3351 /17 December, |
| 1951: | 10 November, |
| 1954: | #2 / November, |
| 1955: | 12 March, 25 June, 19 November, |
| 1956: | #3697 /10 November, |
| 1957: | 1 June, |
| 1960: | 3 December, , |
| 1961: | #3937 /19 August, |
| 1963: | #4019 /16 March, |
| 1964: | #4066 /8 February, 5 September, |
| 1965: | #4145 /14 August, |
| 1966: | #4165 /1 January, #4178 /2 April, |
| 1967: | #4219 /14 January, |
| 1968: | #4295 /22 June, 13 July, 20 July, #4301 /10 August, #4311 /19 October, #4321 /28 December, |
| 1970: | #4394 /30 May, |
| 1971: | #4443 /8 May, |
| 1976: | #4719 /28 August, |
| 1977: | #4751 /14 May, #4753 /26 May, 1 September, |
| 1978: | 2 February, #4802 /13 April, |
| 1979: | #4841 /8 February, #4842 /15 February, #4843 /22 February, #4845 /8 March, 31 March, 7 April, 21 April, 25 August, |
| 1980: | 15 March, 22 March, 7 June, 9 August, 4 October, 1 November, 22 November, |
| 1981: | 10 January, 21 March, 25 April, 6 June, 18 July, #4966 /29 August, #4967 /5 September, #4976 /7 November, 12 December, |
| 1982: | #4990 /20 February, #4993 /13 March, 20 March, #4996 /3 April, 17 April, #5002 /15 May, #5012 /24 July, 25 September, |
| 1983: | #5034 /8 January, #5037 /29 January, 7 May, 25 June, 3 December, 10 December, |
| 1984: | 17 March, 12 May, 2 June, |
| 1985: | #12 / August, |
| 1986: | #6 / February, #7 / April, |
| 1987: | #19 / March, |
| 1988: | #31 / March, |
