| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 4,148 | -7.7% |
| 2023/12 | 4,496 | +25.9% |
| 2022/12 | 3,571 | -65.8% |
| 2021/12 | 10,446 | +15.3% |
| 2020/12 | 9,056 | -2.1% |
| 2019/12 | 9,249 | -14.1% |
| 2018/12 | 10,769 | -7.4% |
| 2017/12 | 11,624 | -10.3% |
| 2016/12 | 12,963 | -7.2% |
| 2015/12 | 13,970 | -16.2% |
| 2014/12 | 16,677 | +10.0% |
| 2013/12 | 15,167 | -16.8% |
| 2012/12 | 18,232 | -5.7% |
| 2011/12 | 19,334 | - |