Biennial reports of the last years:
- Biennial report 2000/2001 [PDF, 81 pages, ca. 10 MB]
- Biennial report 2002/2003 [PDF, 109 pages ca. 3,5 MB]
- Biennial report 2004/2005 [PDF, 98 pages, ca. 3,3 MB]
- Biennial report 2006/2007 [PDF, 104 pages, ca. 3,7 MB]
- Biennial report 2010/2011 [PDF, 116 pages, ca. 6,5 MB]
- Biennial report 2012/2013 [PDF, 65 pages, ca. 2 MB]
- Biennial report 2014/2015 [PDF, 60 pages, ca. 6,4 MB]
- Biennial report 2016/2017 [PDF, 64 pages, ca. 2,3 MB]
- Biennial report 2018/2019 [PDF, 61 pages, ca. 1 MB]
- Biennial report 2020/2021 [PDF, 73 pages, ca. 1,9 MB]
- Biennial report 2022/2023 [PDF, 94 pages, ca. 10,9 MB]