| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 9,100 | +1.1% |
| 2024/12 | 9,000 | +3.4% |
| 2023/12 | 8,700 | +7.4% |
| 2022/12 | 8,100 | +14.1% |
| 2021/12 | 7,100 | +65.1% |
| 2020/12 | 4,300 | -22.3% |
| 2019/12 | 5,531 | +13.5% |
| 2018/12 | 4,871 | +10.2% |
| 2017/12 | 4,422 | -9.1% |
| 2016/12 | 4,865 | -11.4% |
| 2015/12 | 5,494 | -2.6% |
| 2014/12 | 5,639 | +3.1% |
| 2013/12 | 5,470 | +39.3% |
| 2012/12 | 3,927 | - |