Bestand
2.1949,7; 3.1950,10,12; 4.1951,5; 5.1952 - 31.1978,1-4; 33.1980 - 44.1991; 54.2001 - 55.2002; 57.2004 - 58.2005; 61.2008 - 62.2009; 66.2013,5; 68.2015 - 74.2021
Bestandslücken
[N=1952,12; 1968,12; 1970,3,8; 1971,8-12; 1973,6-8; 1974,3,4; 1975,2-5,8-9,11-12; 1977,1-3,5-10; 1980,1-9,12; 1981,1,3-12; 1982,1-8,10,12; 1983,1,3-6,9-12; 1984,2-4,8-10,12; 1985,3-12; 1986,1-9; 1987,3-7,9-11; 1988,1-3,5,8-9,12; 1989,1,4-8,11-12; 1990,1-3; 1991,6-12; 2004,9; 2008,2-3,5-10,12; 2009,4,6-10,12; 2018,3,5]