Bestand
1990,He=1990,43/44; 1991,Fr=1991,18/19; 1991,He=1991,42/43;1992,Fr=1992,16/17; 1992,He=1992,44; 1993,Fr=1993,18/19; 1993,He=1993,43; 1994,Fr=1994,16/17; 1994,He=1994,43; 1995,Fr=1995/15/16; 1995,He=1995,42/43; 1996,Fr=1996,18; 1996,He=1996,43/44; 1997,Fr=1997,17; 1997,He=1997,44; 1998,Fr=65.1998,20/21; 1998,He=65.1998,43; 2000,He=67.2000,43; 2001,Fr=68.2001,15/16; 2001,He=68.2001,43; 2002,Fr=69.2002,17; 2003,Fr=70.2003,16; 2003,He=70.2003,43; 2004,Fr=71.2004,18; 2004,He=71.2004,43; 2005,Fr=72.2005,17; 2005,He=72.2005,43; 2006,Fr=73.2006,18; 2006,He=73.2006,43; 2007,Fr=74.2007,17
[Enthalten in: DIW-Wochenbericht]