1969No.1 March 1969 (2.9MB) No.2 May 1969 (2.8MB) No.3 July 1969 (3.0MB) No.4 September 1969 (2.9MB) No.5 November 1969 3.0MB) 1970No.6 March 1970 (2.8MB) No.8 July 1970 (2.9MB) No.9 September 1970 (3.1MB) No.10 November 1970 (2.8MB) 1971No.11 March 1971 (2.8MB) No.12 May 1971 (2.7MB) No.13 July 1971 (2.7MB) No.14 September 1971 (3.0MB) 1972No.16 March 1972 (2.9MB) No.17 May 1972 (2.8MB) No.18 July 1972 (2.6MB) No.19 September 1972 (3.0MB) No.20 November 1972 (2.9MB) 1973No.1-73 March (3.1MB) No.2-73 May (2.8MB) No.3-73 July (2.9MB) No.4-73 September (2.7MB) No.5-73 November (2.8MB) 1974No.1-74 March (2.8MB) No.2-74 May (2.8MB) No.3-74 July (3.1MB) No.4-74 September (3.1MB) No.5-74 November (2.9MB) 1975No.1-75 March (2.9MB) No.2-75 May (2.9MB) No.3-75 July (2.9MB) No.4-75 September (2.9MB) No.5-75 November (3.0MB) 1976No.1-76 March (6.5MB) No.2-76 June (6.1MB) No.3-76 September (5.6MB) No.4-76 November (7.3MB) 1977No.1-77 April (5.1MB) No.2-77 July (5.2MB) No.3-77 September (5.1MB) No.4-77 December (7.1MB) 1978No.1-78 March (5.3MB) No.2-78 June (6.9MB) No.3-78 September (6.7MB) No.4-78 December (6.4MB) 1979No.1-79 March (7.0MB) No.2-79 June (4.3MB) No.3-79 September (6.5MB) No.4-79 November (6.6MB) | 1980No.1-80 March (6.6MB) No.2-80 June (6.2MB) No.3-80 September (6.6MB) No.4-80 November (6.3MB) 1981No.1-81 March (6.6MB) No.2-81 June (7.3MB) No.3-81 September (7.7MB) No.4-81 Decemver (7.3MB) 1982No.1-82 March (7.3MB) No.2-82 June (7.9MB) No.3-82 September (7.9MB) No.4-82 November (6.6MB) 1983No.1-83 March (7.0MB) No.2-83 May (7.0MB) No.3-83 July (8.1MB) No.4-83 September (8.1MB) No.5-83 December (7.4MB) 1984No.1-84 March (6.9MB) No.2-84 May (7.5MB) No.3-84 July (7.4MB) No.4-84 September (7.8MB) No.5-84 December (7.5MB) 1985No.1-85 April (7.5MB) No.2-85 May (7.5MB) No.3-85 July (7.8MB) No.4-85 October (11.9MB) No.5-85 December (8.0MB) 1986No.1-86 February (8.1MB) No.2-86 May (7.9MB) No.3-86 June (8.3MB) No.4-86 August (11.4MB) No.5-86 October (12.1MB) No.6-86 December (11.7MB) 1987No.1-87 February (7.8MB) No.2-87 April (7.3MB) No.3-87 May/June (7.3MB) No.4-87 September (7.3MB) No.5-87 October (7.8MB) No.6-87 December (7.9MB) 1988No.1-88 February (8.8MB) No.2-88 April (7.6MB) No.3-88 July (7.6MB) No.4-88 August (8.0MB) No.5-88 October (7.3MB) No.6-88 December (7.7MB) 1989No.1-89 March (7.6MB) No.2-89 May (7.5MB) No.3-89 July (7.2MB) | 

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