Bestand
1985,8/9; 1988,2; 1989,8/9; 1990,6/7 - 1990,11/12; 1991,1-2; 1991,4-5; 1991,8/9; 1992,3; 1993,6/7-8/9; 1993,11/12; 1994,1 - 2006,8/9; 2006,12; 2007,2/3-8/9; 2007,12 - 2008,12/1; 2009,3/4; 2009,8/9, 2009,12/1; 2010,3/4 - 2010,8/9; 2010,12/1; 2011,3/4; 2011,8/9; 2011,12/2012,1; 2012,3/4; 2012,6/7-8/9; 2012,12/2013,1; 2013,2-3/4; 2013,4; 2014,1; 2015,4; 2017,1-4; 2018,1 - 2019,3/4; 2020,1; 2020,3; 2020,4; 2021,1
Bestandslücken
[N=1994,5,10; 1998,2,6-9; 1999,5-7; 2000,5; 2003,10/11; 2004,10/11; 2005,10/11; 2008,10/11; 2010,7]