Bestand
1.1965; 2.1966/67,5-6; 3.1967/68,2; 4/5.1968/69,2,4-6; 5.1969/70,1-6; 6.1970/71,1-2,4-6; 7.1971/72,1,3-6; 8.1972/73 - 15.1980?; 11.1975/76,1,3; 12.1977,1,2; 13.1978,3/4-5; 14.1979,1-6; 15.1980,5; 16.1981 - 18.1983; 19.1984,2u.6; 20.1985,1-5; 21.1986,1-5; 22.1986,1-2; 22.1986,6 - 27.1992,1; 27.1992,3/4 - 37.2002,1; 37.2002,3-4