Bestand
/b1966,13; /b1967,24; /b1968,1; /b1968,23; /b1969,1; /b1970,1; /b1977,6; /b1980,15; /b1980,17; /b1981,4; /b1981,14; /b1982,20; /b1982,25;/b1983,2; /b 1983,6; /b1983,21; /b1984,62;/b1984,65; /b1985,4; /b1985,54; /b1985,64; /b1986,2; /b1986,67; /b1987,5; /b1987,56; /b1987,58; /b1988,22; /b1989,10; /b1991,7; /b1991,64 ; /b1993,65; /b1994,28; /b1994,54; /b1996,25; /b1998,19; /b1996,60; /b1998,16; /b1998,24; /b1999,11; /b1999,17; 2004,38; 2004,25; 2005,11; 2005,34
