Bestand
1978/79,2(1978),5(1979); 1979/80,5(1980),8/9(1980); 1980/81,4(1981),8/9(1981); 1981/82,6(1982)-7(1982); 1982/83,1(1982)-2(1982),4(1983),6(1983)-7(1983),9/10(1983); 1983/84,2(1983),5(1984),7(1984),9(1984)-10(1984); 1984/85,3(1984),7(1985),10(1985); 1985/86,6(1986)