Bestand
1978,3; 1979,2-3; 1979,6; 1979,12; 1980,2-3; 1982,4; 1982,10; 1987,7/8; 1987,10; 1988,3; 1988,12 - 1989,12; 1990,2 - 1991,5; 1991,7/8-11; 1992,1 - 1993,4
Bestandslücken
[N=1978,4-12; 1979,1; 1979,4-5; 1979,7/8-11; 1980,1; 1980,4-12; 1981,1-7/8; 1981,10-11; 1982,1-3; 1982,5-9; 1982,11-12; 1983,1-12; 1984,1-12; 1985,1-12; 1986,1-12; 1987,1-6; 1987,9; 1987,11-12; 1988,1-2; 1988,4-11; 1990,1; 1991,6; 1991,12]