Bestand
1972,38; 1973,17-37,39-52; 1974,2-6,8-14,16-17,20-53; 1975,2-53; 1976,1-53; 1977,2-29,31-53; 1978,1-2,4-31,41; 1979,7,24,26,34,40,42,45-46; 1980,16,34,36-37,43-53; 1980,16; 1981,2-12,14-18,20-34,36-37,39-41,43,45,47,48,51-52; 1982,1-52; 1983,1-20,20-24,26-28,30-48,50-51; 1984,1-11,13-16,19,29,45,51; 1985,1-6,8-20,23-27,28-31,34-40,42,44-52; 1986,2-9,11-15,18-19,21,23,25-26,28,30,34,36-42,45-51; 1987,3,5-9,12-15,17,25,29-44,47-48,50-51,53; 1988,1,3,5-16,18-19,21-26,29-33,36,38-40,42-43,45-46,49-51; 1989,3-18,20,22,25,29,31-39,41-49,52-53; 1990,2,5-7,9-15,17,19-20,23,27,31-32,37-38; 1991,5,7,10,13,16-20,23,27,32,39; 1992,29
[1974,53=1975,1; 1976,53=1977,1; 1980,53=1981,1]