Bestand
1990,1-12; 1991,1-12; 1992,1-3; 1992,7/8; 1992,10-11; 1993,1-12; 1994,1-12; 1995,1/2; 1995,5-12; 1996,1-12; 1997,1-6; 1997,9-12; 1998,1/2-7/8; 1998,10-12; 1999,3-12; 2000,1-12; 2001,1-12; 2002,3-12; 2003,6; 2003,1-12; 2004,3-7/8; 2004,10-12; 2005,1/2; 2005,4-12; 2006,3-7/8; 2007,1-4; 2007,6-12; 2008,1/2; 2008,4-11; 2009,1-12; 2010,1-10; 2011,1/2-3; 2011,6; 2014,4-12; 2015,1-12; 2016,1-11; 2017,1-12; 2018,1-12; 2019,1-12; 2020,1-12; 2021,1-12; 2022,1-12; 2023,1-2025,1-4