Bestand
1994,12; 1995,7-12; 1996,1-2,5-9; 1997,1-2,7-8; 1998,1-4,7-9,11; 1999,1,3-4,6-12; 2000,2,7-9,12; 2001,1-2,6,8-9; 2002,1-3,9,12; 2003,4-5,7,10-11; 2004,7,9; 2008,11-12; 2009,1; 2014,11; 2015,10-11; 2016,4-12; 2017,1-3,5-12; 2018,2-12; 2019 - 2021; 2022,1-4