| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 7,700 | +1.3% |
| 2024/12 | 7,600 | +18.8% |
| 2023/12 | 6,400 | +64.1% |
| 2022/12 | 3,900 | +5.4% |
| 2021/12 | 3,700 | -9.8% |
| 2020/12 | 4,100 | 0.0% |
| 2019/12 | 4,100 | -8.9% |
| 2018/12 | 4,500 | -11.8% |
| 2017/12 | 5,100 | -35.4% |
| 2016/12 | 7,900 | -15.1% |
| 2015/12 | 9,300 | -42.9% |
| 2014/12 | 16,300 | -15.5% |
| 2013/12 | 19,300 | +7.2% |
| 2012/12 | 18,000 | +3.1% |
| 2011/12 | 17,457 | - |