Holdings
5.1978,4/5/6; 8.1981,2 - 15.1988,4; 16.1989,2; 17.1990,1; 18.1991,2; 19.1992,1-2u.4; 20.1993,1u.3; 21.1994,1-4; 22.1995,2u.4; 23.1996,2-3; 24.1997,1-3; 33.2006,2; 34.2007,1-2; 37.2010,2; 38.2011,4; 39.2012,3-4; ; 40.2013,1-2u.4
[auch Sondernr.1994]
Holdings gaps
[N= 9.1982,1u.3; 12.1985,2; 13.1986,1]