| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 13,530 | -4.2% |
| 2023/12 | 14,126 | +0.5% |
| 2022/12 | 14,060 | -3.0% |
| 2021/12 | 14,494 | +20.3% |
| 2020/12 | 12,051 | +14.0% |
| 2019/12 | 10,574 | +22.4% |
| 2018/12 | 8,642 | +29.7% |
| 2017/12 | 6,663 | +0.2% |
| 2016/12 | 6,647 | +40.9% |
| 2015/12 | 4,717 | +23.2% |
| 2014/12 | 3,830 | +77.3% |
| 2013/12 | 2,160 | -14.3% |
| 2012/12 | 2,521 | -29.1% |
| 2011/12 | 3,554 | - |