| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,763 | +25.1% |
| 2023/12 | 4,606 | +11.4% |
| 2022/12 | 4,135 | -3.9% |
| 2021/12 | 4,304 | -53.2% |
| 2020/12 | 9,202 | -26.0% |
| 2019/12 | 12,438 | +3.5% |
| 2018/12 | 12,017 | +28.3% |
| 2017/12 | 9,366 | -3.8% |
| 2016/12 | 9,736 | -2.9% |
| 2015/12 | 10,028 | -0.4% |
| 2014/12 | 10,069 | -0.1% |
| 2013/12 | 10,077 | +20.0% |
| 2012/12 | 8,398 | -4.8% |
| 2011/12 | 8,821 | - |