Bestand
1984,2,3; 1985,1-4; 1986,1,2,4; 1987,1 - 1989,3; 1990 - 2000; 2001,1,3,4; 2002,2,3,4; 2003,1,2,3; 2004,1,2,3; 2005,1,2,3; 2006,1-4; 2007,1,2; 2008 - 2009; 2010,1,6,7,9,12; 2011,1,2; 2012,1,4; 2013,1,2; 2014,1,2; 2015,2; 2017,1,3; 2018,1; 2021,2; 2022,2,3; 2023,2,3