Bestand
1974,3-19,21-23,25,28-35,39,40,42-44,46-52; 1975,1,3-14,16,18,20-22,24-40,42-47,49-52; 1976; 1977,1-14,16-52; 1978,1-5,7-14,16,17,21-28,36-43,45-53; 1979; 1980; 1981,1-19,21-48; 1982,1-15; 1983,1-24,26-52; 1984,1-33,35-53; 1985,1-23,25-44,46-52; 1986,1-34,36-52; 1987; 1988 nr 1-26,28-52; 1997 -
Bestandslücken
[N=1999,15; 2004,15; 2006,41; 2011,12; 2012,1,2]