| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 1,759 | -0.2% |
| 2024/12 | 1,763 | -31.3% |
| 2023/12 | 2,568 | +21.8% |
| 2022/12 | 2,109 | +25.0% |
| 2021/12 | 1,687 | +5.7% |
| 2020/12 | 1,596 | +18.9% |
| 2019/12 | 1,342 | -7.8% |
| 2018/12 | 1,455 | -61.7% |
| 2017/12 | 3,803 | -8.7% |
| 2016/12 | 4,165 | +12.1% |
| 2015/12 | 3,717 | -12.3% |
| 2014/12 | 4,240 | +2.8% |
| 2013/12 | 4,126 | -24.6% |
| 2012/12 | 5,470 | +10.3% |
| 2011/12 | 4,961 | - |