| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 11,935 | +13.0% |
| 2024/12 | 10,566 | -16.5% |
| 2023/12 | 12,649 | -9.7% |
| 2022/12 | 14,004 | -7.8% |
| 2021/12 | 15,183 | +11.5% |
| 2020/12 | 13,618 | +13.5% |
| 2019/12 | 12,003 | +128.1% |
| 2018/12 | 5,263 | +33.6% |
| 2017/12 | 3,938 | -24.4% |
| 2016/12 | 5,210 | +114.4% |
| 2015/12 | 2,430 | -11.0% |
| 2014/12 | 2,731 | +22.9% |
| 2013/12 | 2,222 | +128.6% |
| 2012/12 | 972 | - |