| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 3,386 | +7.1% |
| 2023/12 | 3,162 | +6.4% |
| 2022/12 | 2,972 | +3.4% |
| 2021/12 | 2,873 | -11.3% |
| 2020/12 | 3,239 | -3.0% |
| 2019/12 | 3,338 | -4.0% |
| 2018/12 | 3,477 | +11.7% |
| 2017/12 | 3,112 | +3.0% |
| 2016/12 | 3,020 | -3.5% |
| 2015/12 | 3,129 | -3.8% |
| 2014/12 | 3,251 | +39.0% |
| 2013/12 | 2,339 | -1.9% |
| 2012/12 | 2,384 | +2.0% |
| 2011/12 | 2,336 | - |