| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/2 | 8,531 | +7.1% |
| 2024/2 | 7,968 | -10.0% |
| 2023/1 | 8,854 | -4.9% |
| 2022/1 | 9,315 | -30.9% |
| 2021/1 | 13,483 | -26.9% |
| 2020/2 | 18,447 | +11.5% |
| 2019/2 | 16,540 | -15.5% |
| 2018/2 | 19,570 | +0.3% |
| 2017/1 | 19,516 | -12.0% |
| 2016/1 | 22,173 | +45.7% |
| 2015/1 | 15,216 | +0.7% |
| 2014/2 | 15,104 | +39.4% |
| 2013/2 | 10,834 | +14.6% |
| 2012/1 | 9,457 | - |