| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 6,777 | +5.9% |
| 2024/12 | 6,401 | -12.6% |
| 2023/12 | 7,327 | +49.6% |
| 2022/12 | 4,899 | +38.4% |
| 2021/12 | 3,539 | +13.4% |
| 2020/12 | 3,122 | +10.0% |
| 2019/12 | 2,839 | -5.1% |
| 2018/12 | 2,991 | -4.7% |
| 2017/12 | 3,139 | -14.4% |
| 2016/12 | 3,667 | +33.3% |
| 2015/12 | 2,751 | +38.9% |
| 2014/12 | 1,981 | +1.9% |
| 2013/12 | 1,945 | +11.9% |
| 2012/12 | 1,738 | +5.5% |
| 2011/12 | 1,647 | - |