Bestand
1975,2,51,58,123; 1976,6-7,22,24,30,42,56,63,65,74,83-84,96,113,117,133,135,146,149,157,165,177,181,190,206,210,222,228,233,237,246,250; 1977,1-2,4,12,56-57,60,71,84,97-98,115,117,120,140,167,169,190,206,258; 1978,3,34; 1983,145,185,194,196,275; 1984,1,5,37,120,159; 1985,28,106; 1986,13,93,98,129,220; 1987,20,132,219; 1988,12,83,192; 1989,5,10,58,110,140,151,170,209