Bestand
10.1971,11; 12.1973,6; 14.1975,4-11/12; 15.1976 - 17.1978; 18.1979,1,2,5-12; 19.1980,1-7,10-12; 20.1981,1,2,4,5,7-12; 21.1982,1,2,5,6; 22.1983,1,4,6; 23.1984,2,3,5,6; 24.1985,1-5; 25.1986,1,5; 26.1987,1,2; 29.1990,4,6; 30.1991,1; 33.1994,6; 35.1996,4-6; 36.1997; 37.1998,1-4,6; 38.1999,1-4,6; 39.2000-40.200141. 2002, 1-542. 2003 - 44. 2005; 45.2006, 1-5; 46.2007,1,3,5; 47.2008,1,3,5; 48. 2009,2-4; 49.2010,1,3,4; 50.2011,2,4