Bestand
1.1951,2; 3.1953,1-2; 4.1954,8; 5.1955,7u.12; 6.1956,2u.8.u.12; 7.1957,4-5u.7u.9; 9.1959,1u.7; 10.1960,1; 11.1961,1u.6; 12.1962,5; 14.1964,8-9; 15.1965,2u.4u.9-10u.12; 16.1966,2u.9; 17.1965,5; 20.1970,1u.4u.7u.9; 21.1971,7; 22.1972,3-4u.9; 23.1973,6; 25.1975,6u.12; 26.1976,3-4u.7-9; 27.1977,3u.11-12; 28.1978,3; 29.1979,4-5u.7u.12; 30.1980 - 32.1982; 34.1984,1u.5-6u.8-9; 35.1985,6; 36.1986,3u.11-12; 38.1988,7; 39.1989,11-12; 40.1990,2