| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 7,996 | +22.8% |
| 2024/12 | 6,514 | -9.0% |
| 2023/12 | 7,161 | -28.9% |
| 2022/12 | 10,070 | -27.6% |
| 2021/12 | 13,906 | -26.5% |
| 2020/12 | 18,931 | -2.4% |
| 2019/12 | 19,406 | +2.9% |
| 2018/12 | 18,851 | -27.8% |
| 2017/12 | 26,094 | -18.4% |
| 2016/12 | 31,993 | -10.8% |
| 2015/12 | 35,850 | +0.7% |
| 2014/12 | 35,590 | +8.3% |
| 2013/12 | 32,854 | +95.9% |
| 2012/12 | 16,775 | - |