Bestand
[4.]1973,1-10; 5.1974,3,7,12; 6.1975,1,7/8,10-12; 7.1976,1,3,5-6,11; 8.1977,3-5,9-11; 9.1978,1,3,5-6,10-12; 10.1979,1,6-7/8,10-12; 11.1980,2-4,6/7-9,12; 12.1981,1-2,5,7/8-10,12; 13.1982,1-10,12; 14.1983,1-3,6-12; 15.1984,1,3-5,8-12; 16.1985,1-7/8,10-12; 17.1986,1,3-4,6-10; 18.1987,1-6,9-12; 19.1988,3-6,9-12; 20.1989,1,4-5; 1991,6,10; 1992,3-4,10; 1993,4,10-11; 1994,1-8/9,11-12; 1995 - 1996
[Doppelt vh.: 5.1974,12; 6.1975,11; 7.1976,1; 8.1977,5,10]