| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 80,645 | -0.9% |
| 2024/12 | 81,389 | +8.9% |
| 2023/12 | 74,708 | +27.1% |
| 2022/12 | 58,775 | +81.2% |
| 2021/12 | 32,439 | +79.2% |
| 2020/12 | 18,103 | +28.2% |
| 2019/12 | 14,119 | +46.1% |
| 2018/12 | 9,667 | +7.4% |
| 2017/12 | 9,004 | -15.4% |
| 2016/12 | 10,638 | +0.9% |
| 2015/12 | 10,539 | +27.6% |
| 2014/12 | 8,259 | +18.3% |
| 2013/12 | 6,981 | +25.4% |
| 2012/12 | 5,568 | - |