| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 4,400 | -18.5% |
| 2024/12 | 5,400 | -22.9% |
| 2023/12 | 7,000 | -33.3% |
| 2022/12 | 10,500 | +2.3% |
| 2021/12 | 10,265 | -46.3% |
| 2020/12 | 19,121 | -40.1% |
| 2019/12 | 31,911 | +17.3% |
| 2018/12 | 27,202 | +1.2% |
| 2017/12 | 26,886 | +6.1% |
| 2016/12 | 25,338 | +32.3% |
| 2015/12 | 19,159 | -12.6% |
| 2014/12 | 21,910 | -9.6% |
| 2013/12 | 24,245 | +323.9% |
| 2012/12 | 5,720 | +37.5% |
| 2011/12 | 4,160 | - |