Bestand
1955 - 1958; 1964,16; 1969,24; 1969,50; 1970,44-47; 1970,51; 1971,1-8; 1971,10+11; 1971,13+14; 1971,16-18; 1971,20+21; 1971,25-27; 1971,34; 1971,37; 1971,38; 1971,43; 1971,47; 1971,50; 1973 - 1974,25; 1974,50 - 1975,26; 1975,28-30; 1980,21-23,25-32,35-51; 1981,3+4,7-9,12-29,32-43,45-51; 1982,2-28,31-51; 1983,1-21,25-31,34-51; 1987,6+13+44+48+50; 1988,6+9+38+41+47+50; 1989,3+11+38+46+49; 1990,1-4,6+7,9-31,34,36-38,40-42,44,46-51; 1991,1-9,11,13-15,17+18,21-27,29-31,34+35,38,40+41,45-51; 1992,3+7,12-15,28+35+37+39,41-43,45-47,49-52; 1993,3+5+6+8+9+11+13+14,16-24, 27+28,30-32,34-37,40+41,43-48,50-52; 1994; 1995,2-32, 35-52; 1996,1-28,30,33-40,42-51; 1997,1-9,11,13-15,17+20,29-52; 1998,1-5,8-24,26-31,34+35,37-39,42,44-46,49-53; 1999,1,4-11,13,15-25,27+28+30+35,37-45,47-52; 2000,1-9,11-13,15-16,18-30,33,35-48,50-52; 2001,1,4-6,8,10-15,17-21,23-24,26-29,31,36-38,40-41,43-45,47-52; 2002,1-8,10-11,13+15,20,23-24,28,30,34-39,41-52