| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,591 | -49.8% |
| 2023/12 | 3,170 | +829.6% |
| 2022/12 | 341 | -101.6% |
| 2021/12 | -21,739 | +501.9% |
| 2020/12 | -3,612 | -144.2% |
| 2019/12 | 8,169 | -16.7% |
| 2018/12 | 9,808 | -8.4% |
| 2017/12 | 10,704 | -15.8% |
| 2016/12 | 12,709 | -9.0% |
| 2015/12 | 13,967 | +8.4% |
| 2014/12 | 12,882 | +138.1% |
| 2013/12 | 5,411 | +26.1% |
| 2012/12 | 4,290 | +96.3% |
| 2011/12 | 2,185 | - |