- 2021 – Annual Financial Report (in Bulgarian)
- 2021 – Annual Report of the Activities (in Bulgarian)
- 2020 – Annual Financial Report (in Bulgarian)
- 2020 – Annual Report of the Activities (in Bulgarian)
- 2019 – Annual Financial Report (in Bulgarian)
- 2019 – Annual Report of the Activities (in Bulgarian)
- 2018 – Annual Financial Report (in Bulgarian)
- 2018 – Annual Report of the Activities (in Bulgarian)