Bestand
1.1987,1; 3.1989 - 7.1993; 8.1994,1,3,4; 9.1995,2,3; 10.1996; 11.1997; 12.1998,1,3; 13.1999,1,2,4; 14.2000; 15.2001,1,3,4; 16.2002 - 19.2005; 20.2006,1,2,4; 21.2007,4; 22.2008,2,4; 23.2009 - 26.2012; 27.2013,1,3; 28.2014,3; 29.2015,1,2; 30.2016,1; 31.2017,2,4; 33.2019,1,2; 34.2020,2; 35.2021,4; 36.2022,2,3