| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 28,103 | +16.2% |
| 2024/12 | 24,191 | +1.4% |
| 2023/12 | 23,853 | +45.0% |
| 2022/12 | 16,448 | +21.1% |
| 2021/12 | 13,585 | -6.0% |
| 2020/12 | 14,449 | -3.9% |
| 2019/12 | 15,038 | +30.5% |
| 2018/12 | 11,522 | -10.6% |
| 2017/12 | 12,889 | -9.3% |
| 2016/12 | 14,203 | -8.4% |
| 2015/12 | 15,502 | -2.7% |
| 2014/12 | 15,930 | +0.6% |
| 2013/12 | 15,833 | +28.7% |
| 2012/12 | 12,300 | - |