| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 64,700 | +2.1% |
| 2024/12 | 63,400 | +8.0% |
| 2023/12 | 58,700 | +2.8% |
| 2022/12 | 57,101 | +0.1% |
| 2021/12 | 57,024 | -1.7% |
| 2020/12 | 58,005 | +17.2% |
| 2019/12 | 49,489 | +28.3% |
| 2018/12 | 38,581 | +15.3% |
| 2017/12 | 33,470 | -15.2% |
| 2016/12 | 39,460 | +2.5% |
| 2015/12 | 38,509 | +4.1% |
| 2014/12 | 36,984 | +36.5% |
| 2013/12 | 27,099 | +49.5% |
| 2012/12 | 18,131 | - |