Bestand
1971,1 - 1971,5; 1971,8 - 1971,9; 1971,12 - 1971,13; 1972,2; 1972,5; 1972,11; 1972,14 - 1972,15; 1972,18 - 1972,21; 1972,24; 1972,26; 1972,28 - 1972,29; 1972,31 - 1972,33; 1972,36 - 1972,38; 1972,40; 1972,42; 1972,44 - 1972,49; 1972,51 - 1972,52; 1973,1; 1973,4 - 1973,6; 1973,8; 1973,10; 1973,12 - 1973,17; 1973,20 - 1973,28; 1973,30; 1973,33 - 1973,35; 1973,37 - 1973,43; 1973,46; 1973,48; 1973,50; 1973,52; 1973,54; 1973,56; 1973,58 - 1973,61; 1973,63 - 1973,65; 1973,67 - 1973,68; 1974,3 - 1974,5; 1974,7; 1974,9; 1974,14; 1974,16 - 1974,20; 1974,22 - 1974,23; 1974,25 - 1974,26; 1974,28 - 1974,29; 1974,31 - 1974,35; 1974,37 - 1974,40; 1974,43 - 1974,44; 1974,46; 1974,49 - 1974,50; 1974,52; 1974,55; 1974,57 - 1974,59; 1974,61 - 1974,62; 1975,1 - 1975,4; 1975,6 - 1975,7; 1975,9 - 1975,20; 1975,22 - 1975,25
