Bestand
56.1949,6,8,10,12; 57.1950,1,3-9,11,12; 58.1951,3,5,12; 59.1952,7; 61.1954,8,9,11; 64.1957,7; 66.1959,11; 67.1960,5,9-12; 68.1961,4,6,9,10; 69.1962,2,3; 70.1963,1,4; 71.1964,4,6; 72.1965; 73.1966; 74.1967;75.1968,1-8,10-12; 76.1969; 77.1970,1-8,10-12; 78.1971,1-11; 79.1972,2,5,7,10; 80.1973,4,6,8-12; 81.1974,1-7,9-12; 82.1975; 83.1976,6