Bestand
1990,10-13; 1991,1u.3-5u.7-11u.13u.14u.16u.17u.19-26u.28-41u.43u.45-48u.50-52; 1992,1-3u.5-9u.16u.23u.28u.31u.32u.37u.39u.47u.48u.51-53; 1993,1-7u.9u.10u.12u.14u.16; 1994,38; 1995,7; 1996,36 - 1999; 2001,14u.15; 2002,13; 2005,11u.46; 2006,13-15u.17; 2009,19; 2011,16-17u.37u.44u.48u.51/52; 2012,14-15u.21-24u.38u.42u.45; 2013,38u.47; 2014,7u.10-11u.13u.17u.-18u.20-21u.23u.52/53; 2015,22u.37u.41u.44u.51/52; 2017,52/53; 2016,2u.38u.50; 2021,50
[evtl. einzelne Lücken zw. 1996,36-1999]