Bestand
9.1957,13-15u.20-24; 10.1958,1-6u.8-11/12u.14-17u.19-24; 11.1959,1-6u.8-21u.23; 12.1960,1-15u.17-18u.20u.23; 13.1961,1u.3-24; 14.1962,1-3u.5-6u.8-11u.13-17/18u.20-24; 15.1963,1-2u.4-6u.8-23; 16.1964,2-4u.6-9/10u.12-24; 17.1965,1-6u.8-9u. 11/12-17u.19-24; 18.1966,1u.6-8u.10-14u.16-24; 19.1967,1u.3-15/16u.18-24; 20.1968,6; 21.1969,1-9u.12u.14-24; 22.1970,1-8/9u.11-24; 23.1971; 24.1972, 1u.3-18; 25.1973,1-5u.7-11; 26.1974,1-6u.8-12; 27.1975,1u.3-10u.12; 29.1977,5-12; 30.1978,1-2u.4/5-6; 31.1979,2/3; 32.1980,2u.11; 34.1982,4/5-11/12; 35.1983,1-4/5u.7u.9-11; 36.1984,1; 37.1985,3-5; 38.1986,3-4u.6; 39.1987,1-3u.5-6; 40.1988,1-5; 41.1989,3u.5-6; 42.1990,1u.3-6; 43.1991 - 44.1992; 45.1993,1-3u.5-6; 46.1994 - 53.2001