| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 4,145 | -15.4% |
| 2024/12 | 4,902 | -0.7% |
| 2023/12 | 4,935 | -7.4% |
| 2022/12 | 5,328 | +15.7% |
| 2021/12 | 4,606 | -3.0% |
| 2020/12 | 4,748 | +7.8% |
| 2019/12 | 4,404 | +47.7% |
| 2018/12 | 2,982 | +12.7% |
| 2017/12 | 2,647 | +10.5% |
| 2016/12 | 2,396 | +6.7% |
| 2015/12 | 2,246 | +12.9% |
| 2014/12 | 1,989 | +52.8% |
| 2013/12 | 1,301 | +44.4% |
| 2012/12 | 901 | -13.3% |
| 2011/12 | 1,040 | - |