1968
Issue No. 1 - 8
1969
Issue No. 9 - 20
1970
Issue No. 21 - 32
1971
Issue No. 33 - 44
1972
Issue No. 45 - 56
1973
Issue No. 57 - 68
1974
Issue No. 69 - 80
1975
Issue No. 81 - 84