| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/1 | 944 | -37.7% |
| 2024/1 | 1,516 | -19.7% |
| 2023/1 | 1,887 | -14.8% |
| 2022/1 | 2,214 | -52.2% |
| 2021/1 | 4,627 | -40.4% |
| 2020/1 | 7,768 | -34.2% |
| 2019/1 | 11,814 | -29.0% |
| 2018/1 | 16,637 | -41.2% |
| 2017/1 | 28,275 | -11.9% |
| 2016/1 | 32,111 | -13.2% |
| 2015/1 | 36,986 | +19.2% |
| 2014/1 | 31,037 | -11.2% |
| 2013/1 | 34,939 | +21.4% |
| 2012/1 | 28,774 | - |