Bestand
1968,3-12; 1969,1,3/4,6-9; 1975,11; 1976,5; 1981-1984; 1992,1-3,5,7-12; 1993,1/2,4; 1996,1-7,9/10; 1997,2-5,9-12; 1,3/4,6-10,12; 1999,1-6,8-10,12; 2000,1-12; 2001,1-7,9-12; 2002-2005,1-12; 2006,1-3,5,7-12; 2007,1-9; 2010,6,9-11; 2011,5-8,10-12; 2012,1/2; 2019,6,11; 2021,4; 2023,4