| Years | Depreciation | Interests |
| 2019 | 1,000,000,000 XAF | 1,900,000,000 XAF |
| 2020 | 900,000,000 XAF | 1,710,000,000 XAF |
| 2021 | 850,000,000 XAF | 1,539,000,000 XAF |
| 2022 | 810,000,000 XAF | 1,385,000,000 XAF |
| 2023 | 790,000,000 XAF | 1,246,000,000 XAF |