Bestandslücken
[N=113.1966,9-12;114.1967-115,1968,7,9-118.1971,5;1973,2-3,7,9-10,12;121.1974.2-3,6;122.1975,5-6,12;123.1976,2-3,8-12;124.1977,2-3;125.1978,2-3,7,10;126.1979,2,5,9-11;127.1980,1,3,12;128.1981,2,5,10-11;130.1983,12;131.1984,3;132.1985,3;133.1986,9;134.1987,6;136.1989,5;139.1992,4-9,11-12;140.1993,1-2,10]