Bestand
3.1976,21; 1978,48; 1980,73 u. 76; 1981,77, 82-83, 87; 1982,96; 1983,100-101,105-106; 1984,114, 116-118; 1985,125-129, 132, 135; 1986,138-139, 141-147; 1987,150, 153-154; 1988,164, 166, 168, 171; 1989,172, 175-176; 1990,181-189; 1991,190-196; 1996/97,253; 1998/99,273; 1999,274 - 2006,343; 2008,350 -
[s.a. Online-Ausg. - 2007 s.a. CD-ROM-Ausg.]