Bestand
2007,0; 2008,1-12; 2009,1,3,4,8-11; 2010,2-4,6-11; 2011,2-7,9,11,12; 2012,1-4,6-12; 2013,2-4,6-12; 2014,2,3,5-7,9-12; 2015,1-5,7,9-12; 2016,1-12; 2017,1-5,7,8,10,11; 2018,2-4,6-8,11-12; 2019,1,6,7/8,10,12; 2020,1,2,4/5-12; 2021,1-6,9,10: 2022, 9-10