| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 2,356 | -9.5% |
| 2024/9 | 2,602 | -8.2% |
| 2023/9 | 2,834 | +0.4% |
| 2022/9 | 2,823 | +9.0% |
| 2021/9 | 2,591 | +57.7% |
| 2020/9 | 1,643 | +2.7% |
| 2019/9 | 1,600 | +15.9% |
| 2018/9 | 1,380 | +22.3% |
| 2017/9 | 1,128 | -19.3% |
| 2016/9 | 1,397 | +0.9% |
| 2015/9 | 1,385 | +0.9% |
| 2014/9 | 1,372 | +11.4% |
| 2013/9 | 1,232 | +14.6% |
| 2012/9 | 1,075 | +20.8% |
| 2011/9 | 890 | - |