| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 14,491 | -21.7% |
| 2024/12 | 18,513 | -31.4% |
| 2023/12 | 26,991 | -22.0% |
| 2022/12 | 34,622 | -3.6% |
| 2021/12 | 35,897 | +9.3% |
| 2020/12 | 32,845 | +5.3% |
| 2019/12 | 31,201 | +7.9% |
| 2018/12 | 28,904 | +40.1% |
| 2017/12 | 20,636 | +21.4% |
| 2016/12 | 16,994 | +18.3% |
| 2015/12 | 14,360 | +20.7% |
| 2014/12 | 11,897 | +23.8% |
| 2013/12 | 9,612 | +30.9% |
| 2012/12 | 7,341 | - |