| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 3,096 | -0.4% |
| 2023/12 | 3,108 | -14.0% |
| 2022/12 | 3,612 | -26.4% |
| 2021/12 | 4,905 | +16.9% |
| 2020/12 | 4,195 | +2.9% |
| 2019/12 | 4,078 | +0.2% |
| 2018/12 | 4,068 | +12.9% |
| 2017/12 | 3,604 | +12.0% |
| 2016/12 | 3,219 | +6.8% |
| 2015/12 | 3,013 | +5.5% |
| 2014/12 | 2,855 | +1.1% |
| 2013/12 | 2,824 | +0.3% |
| 2012/12 | 2,816 | +5.6% |
| 2011/12 | 2,667 | - |