Bestand
1.1948/49,1-3; 2.1950,3; 3.1951,4; 4.1952,3u.5; 5.1953,1-2u.4; 6.1954,1u.5-6; 7.1955,1-4; 9.1957,1; 14.1962,6; 15.1963,4-5; 16.1964,4-6; 17.1965; 18.1966 - 19.1967; 20.1968,1u.3u.6; 22.1970,2-3u.5; 23.1971 - 24.1972; 25.1973,1-3u.5; 26.1974,1u.3/4u.6; 27.1975,1u.3/4u.6; 28.1976,6; 29.1977,2u.5; 30.1978 - 34.1982; 35.1983,2-6; 36.1984,3-6; 37.1985,1-4; 38.1986 - 39.1987; 40.1988,1-2; 42.1990,1; 50.1988,2
Bestandslücken
[N=18.1966,5-6; 23.1971,1; 24.1972,4; 32.1980,5; 38.1986,2]